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Finding the Fourth Proportional to 61,501.62, 84,877.14 and 34,642.44

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Solution

The fourth proportional to 61,501.62, 84,877.14 and 34,642.44 is: 47,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,501.62 : 84,877.14 = 34,642.44 : x
  2. Step 2: Convert to fraction form
    61,501.62/84,877.14 = 34,642.44/x
  3. Step 3: Cross multiply
    61,501.62x = 84,877.14 × 34,642.44
  4. Step 4: Simplify right side
    61,501.62x = 2,940,351,229.82
  5. Step 5: Solve for x
    x = 2,940,351,229.82/61,501.62
  6. Step 6: Final answer
    x = 47,809.33

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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.