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Finding the Fourth Proportional to 61,310.52, 84,602.88 and 34,454.16

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Solution

The fourth proportional to 61,310.52, 84,602.88 and 34,454.16 is: 47,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,310.52 : 84,602.88 = 34,454.16 : x
  2. Step 2: Convert to fraction form
    61,310.52/84,602.88 = 34,454.16/x
  3. Step 3: Cross multiply
    61,310.52x = 84,602.88 × 34,454.16
  4. Step 4: Simplify right side
    61,310.52x = 2,914,921,163.98
  5. Step 5: Solve for x
    x = 2,914,921,163.98/61,310.52
  6. Step 6: Final answer
    x = 47,543.57

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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.