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Finding the Fourth Proportional to 62,502.66, 86,253.12 and 34,208.28

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Solution

The fourth proportional to 62,502.66, 86,253.12 and 34,208.28 is: 47,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,502.66 : 86,253.12 = 34,208.28 : x
  2. Step 2: Convert to fraction form
    62,502.66/86,253.12 = 34,208.28/x
  3. Step 3: Cross multiply
    62,502.66x = 86,253.12 × 34,208.28
  4. Step 4: Simplify right side
    62,502.66x = 2,950,570,879.83
  5. Step 5: Solve for x
    x = 2,950,570,879.83/62,502.66
  6. Step 6: Final answer
    x = 47,207.12

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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.