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Finding the Fourth Proportional to 62,508.90, 86,264.34 and 34,214.58

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Solution

The fourth proportional to 62,508.90, 86,264.34 and 34,214.58 is: 47,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508.90 : 86,264.34 = 34,214.58 : x
  2. Step 2: Convert to fraction form
    62,508.90/86,264.34 = 34,214.58/x
  3. Step 3: Cross multiply
    62,508.90x = 86,264.34 × 34,214.58
  4. Step 4: Simplify right side
    62,508.90x = 2,951,498,162.08
  5. Step 5: Solve for x
    x = 2,951,498,162.08/62,508.90
  6. Step 6: Final answer
    x = 47,217.25

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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.