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Finding the Fourth Proportional to 8,349.40, 12,524.10 and 2,193.40

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Solution

The fourth proportional to 8,349.40, 12,524.10 and 2,193.40 is: 3,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.40 : 12,524.10 = 2,193.40 : x
  2. Step 2: Convert to fraction form
    8,349.40/12,524.10 = 2,193.40/x
  3. Step 3: Cross multiply
    8,349.40x = 12,524.10 × 2,193.40
  4. Step 4: Simplify right side
    8,349.40x = 27,470,360.94
  5. Step 5: Solve for x
    x = 27,470,360.94/8,349.40
  6. Step 6: Final answer
    x = 3,290.10

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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.