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Finding the Fourth Proportional to 61,508.93, 84,932.62 and 38,884.41

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Solution

The fourth proportional to 61,508.93, 84,932.62 and 38,884.41 is: 53,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.93 : 84,932.62 = 38,884.41 : x
  2. Step 2: Convert to fraction form
    61,508.93/84,932.62 = 38,884.41/x
  3. Step 3: Cross multiply
    61,508.93x = 84,932.62 × 38,884.41
  4. Step 4: Simplify right side
    61,508.93x = 3,302,554,721.24
  5. Step 5: Solve for x
    x = 3,302,554,721.24/61,508.93
  6. Step 6: Final answer
    x = 53,692.28

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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.