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Finding the Fourth Proportional to 8,798,549.40, 13,197,824.10 and 8,160,820.20

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Solution

The fourth proportional to 8,798,549.40, 13,197,824.10 and 8,160,820.20 is: 12,241,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,549.40 : 13,197,824.10 = 8,160,820.20 : x
  2. Step 2: Convert to fraction form
    8,798,549.40/13,197,824.10 = 8,160,820.20/x
  3. Step 3: Cross multiply
    8,798,549.40x = 13,197,824.10 × 8,160,820.20
  4. Step 4: Simplify right side
    8,798,549.40x = 107,705,069,511,326.81
  5. Step 5: Solve for x
    x = 107,705,069,511,326.81/8,798,549.40
  6. Step 6: Final answer
    x = 12,241,230.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.