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Finding the Fourth Proportional to 62,237.70, 85,875.12 and 39,568.38

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Solution

The fourth proportional to 62,237.70, 85,875.12 and 39,568.38 is: 54,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,237.70 : 85,875.12 = 39,568.38 : x
  2. Step 2: Convert to fraction form
    62,237.70/85,875.12 = 39,568.38/x
  3. Step 3: Cross multiply
    62,237.70x = 85,875.12 × 39,568.38
  4. Step 4: Simplify right side
    62,237.70x = 3,397,939,380.71
  5. Step 5: Solve for x
    x = 3,397,939,380.71/62,237.70
  6. Step 6: Final answer
    x = 54,596.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.