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Finding the Fourth Proportional to 61,543.62, 92,319.08 and 19,425.04

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Solution

The fourth proportional to 61,543.62, 92,319.08 and 19,425.04 is: 29,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.62 : 92,319.08 = 19,425.04 : x
  2. Step 2: Convert to fraction form
    61,543.62/92,319.08 = 19,425.04/x
  3. Step 3: Cross multiply
    61,543.62x = 92,319.08 × 19,425.04
  4. Step 4: Simplify right side
    61,543.62x = 1,793,301,493.84
  5. Step 5: Solve for x
    x = 1,793,301,493.84/61,543.62
  6. Step 6: Final answer
    x = 29,138.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.