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Finding the Fourth Proportional to 62,853.52, 86,734.65 and 34,553.74

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Solution

The fourth proportional to 62,853.52, 86,734.65 and 34,553.74 is: 47,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,853.52 : 86,734.65 = 34,553.74 : x
  2. Step 2: Convert to fraction form
    62,853.52/86,734.65 = 34,553.74/x
  3. Step 3: Cross multiply
    62,853.52x = 86,734.65 × 34,553.74
  4. Step 4: Simplify right side
    62,853.52x = 2,997,006,545.09
  5. Step 5: Solve for x
    x = 2,997,006,545.09/62,853.52
  6. Step 6: Final answer
    x = 47,682.40

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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.