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Finding the Fourth Proportional to 9,832,205.80, 14,748,308.70 and 7,144,820.20

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Solution

The fourth proportional to 9,832,205.80, 14,748,308.70 and 7,144,820.20 is: 10,717,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,832,205.80 : 14,748,308.70 = 7,144,820.20 : x
  2. Step 2: Convert to fraction form
    9,832,205.80/14,748,308.70 = 7,144,820.20/x
  3. Step 3: Cross multiply
    9,832,205.80x = 14,748,308.70 × 7,144,820.20
  4. Step 4: Simplify right side
    9,832,205.80x = 105,374,013,915,595.73
  5. Step 5: Solve for x
    x = 105,374,013,915,595.73/9,832,205.80
  6. Step 6: Final answer
    x = 10,717,230.30

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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.