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Finding the Fourth Proportional to 63,715.40, 95,540.70 and 37,428.20

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Solution

The fourth proportional to 63,715.40, 95,540.70 and 37,428.20 is: 56,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.40 : 95,540.70 = 37,428.20 : x
  2. Step 2: Convert to fraction form
    63,715.40/95,540.70 = 37,428.20/x
  3. Step 3: Cross multiply
    63,715.40x = 95,540.70 × 37,428.20
  4. Step 4: Simplify right side
    63,715.40x = 3,575,916,427.74
  5. Step 5: Solve for x
    x = 3,575,916,427.74/63,715.40
  6. Step 6: Final answer
    x = 56,123.27

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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.