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Finding the Fourth Proportional to 71,447.52, 107,171.30 and 26,484.33

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Solution

The fourth proportional to 71,447.52, 107,171.30 and 26,484.33 is: 39,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.52 : 107,171.30 = 26,484.33 : x
  2. Step 2: Convert to fraction form
    71,447.52/107,171.30 = 26,484.33/x
  3. Step 3: Cross multiply
    71,447.52x = 107,171.30 × 26,484.33
  4. Step 4: Simplify right side
    71,447.52x = 2,838,360,543.83
  5. Step 5: Solve for x
    x = 2,838,360,543.83/71,447.52
  6. Step 6: Final answer
    x = 39,726.51

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1.5x scale

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.