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Finding the Fourth Proportional to 62,878.48, 86,773.32 and 34,583.92

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Solution

The fourth proportional to 62,878.48, 86,773.32 and 34,583.92 is: 47,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.48 : 86,773.32 = 34,583.92 : x
  2. Step 2: Convert to fraction form
    62,878.48/86,773.32 = 34,583.92/x
  3. Step 3: Cross multiply
    62,878.48x = 86,773.32 × 34,583.92
  4. Step 4: Simplify right side
    62,878.48x = 3,000,961,557.01
  5. Step 5: Solve for x
    x = 3,000,961,557.01/62,878.48
  6. Step 6: Final answer
    x = 47,726.37

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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.