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Finding the Fourth Proportional to 62,403.66, 86,092.56 and 38,488.68

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Solution

The fourth proportional to 62,403.66, 86,092.56 and 38,488.68 is: 53,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.66 : 86,092.56 = 38,488.68 : x
  2. Step 2: Convert to fraction form
    62,403.66/86,092.56 = 38,488.68/x
  3. Step 3: Cross multiply
    62,403.66x = 86,092.56 × 38,488.68
  4. Step 4: Simplify right side
    62,403.66x = 3,313,588,992.22
  5. Step 5: Solve for x
    x = 3,313,588,992.22/62,403.66
  6. Step 6: Final answer
    x = 53,099.27

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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.