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Finding the Fourth Proportional to 61,207.89, 84,468.42 and 34,352.44

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Solution

The fourth proportional to 61,207.89, 84,468.42 and 34,352.44 is: 47,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,207.89 : 84,468.42 = 34,352.44 : x
  2. Step 2: Convert to fraction form
    61,207.89/84,468.42 = 34,352.44/x
  3. Step 3: Cross multiply
    61,207.89x = 84,468.42 × 34,352.44
  4. Step 4: Simplify right side
    61,207.89x = 2,901,696,118.77
  5. Step 5: Solve for x
    x = 2,901,696,118.77/61,207.89
  6. Step 6: Final answer
    x = 47,407.23

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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.