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Finding the Fourth Proportional to 71,294.22, 98,390.97 and 42,614.82

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Solution

The fourth proportional to 71,294.22, 98,390.97 and 42,614.82 is: 58,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.22 : 98,390.97 = 42,614.82 : x
  2. Step 2: Convert to fraction form
    71,294.22/98,390.97 = 42,614.82/x
  3. Step 3: Cross multiply
    71,294.22x = 98,390.97 × 42,614.82
  4. Step 4: Simplify right side
    71,294.22x = 4,192,913,476.18
  5. Step 5: Solve for x
    x = 4,192,913,476.18/71,294.22
  6. Step 6: Final answer
    x = 58,811.41

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1.5x scale

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.