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Finding the Fourth Proportional to 61,184.96, 84,436.54 and 34,329.41

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Solution

The fourth proportional to 61,184.96, 84,436.54 and 34,329.41 is: 47,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,184.96 : 84,436.54 = 34,329.41 : x
  2. Step 2: Convert to fraction form
    61,184.96/84,436.54 = 34,329.41/x
  3. Step 3: Cross multiply
    61,184.96x = 84,436.54 × 34,329.41
  4. Step 4: Simplify right side
    61,184.96x = 2,898,656,600.64
  5. Step 5: Solve for x
    x = 2,898,656,600.64/61,184.96
  6. Step 6: Final answer
    x = 47,375.31

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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.