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Finding the Fourth Proportional to 67,650.60, 93,357.44 and 38,959.76

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Solution

The fourth proportional to 67,650.60, 93,357.44 and 38,959.76 is: 53,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,650.60 : 93,357.44 = 38,959.76 : x
  2. Step 2: Convert to fraction form
    67,650.60/93,357.44 = 38,959.76/x
  3. Step 3: Cross multiply
    67,650.60x = 93,357.44 × 38,959.76
  4. Step 4: Simplify right side
    67,650.60x = 3,637,183,456.61
  5. Step 5: Solve for x
    x = 3,637,183,456.61/67,650.60
  6. Step 6: Final answer
    x = 53,764.25

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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.