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Finding the Fourth Proportional to 61,587.73, 92,373.62 and 19,472.05

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Solution

The fourth proportional to 61,587.73, 92,373.62 and 19,472.05 is: 29,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.73 : 92,373.62 = 19,472.05 : x
  2. Step 2: Convert to fraction form
    61,587.73/92,373.62 = 19,472.05/x
  3. Step 3: Cross multiply
    61,587.73x = 92,373.62 × 19,472.05
  4. Step 4: Simplify right side
    61,587.73x = 1,798,703,747.32
  5. Step 5: Solve for x
    x = 1,798,703,747.32/61,587.73
  6. Step 6: Final answer
    x = 29,205.55

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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.