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Finding the Fourth Proportional to 62,498.60, 93,747.90 and 57,638.60

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Solution

The fourth proportional to 62,498.60, 93,747.90 and 57,638.60 is: 86,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,498.60 : 93,747.90 = 57,638.60 : x
  2. Step 2: Convert to fraction form
    62,498.60/93,747.90 = 57,638.60/x
  3. Step 3: Cross multiply
    62,498.60x = 93,747.90 × 57,638.60
  4. Step 4: Simplify right side
    62,498.60x = 5,403,497,708.94
  5. Step 5: Solve for x
    x = 5,403,497,708.94/62,498.60
  6. Step 6: Final answer
    x = 86,457.90

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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.