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Finding the Fourth Proportional to 62,457.89, 93,686.88 and 15,710.75

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Solution

The fourth proportional to 62,457.89, 93,686.88 and 15,710.75 is: 23,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,457.89 : 93,686.88 = 15,710.75 : x
  2. Step 2: Convert to fraction form
    62,457.89/93,686.88 = 15,710.75/x
  3. Step 3: Cross multiply
    62,457.89x = 93,686.88 × 15,710.75
  4. Step 4: Simplify right side
    62,457.89x = 1,471,891,149.96
  5. Step 5: Solve for x
    x = 1,471,891,149.96/62,457.89
  6. Step 6: Final answer
    x = 23,566.14

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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.