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Finding the Fourth Proportional to 68,472.87, 94,483.17 and 38,254.44

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Solution

The fourth proportional to 68,472.87, 94,483.17 and 38,254.44 is: 52,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472.87 : 94,483.17 = 38,254.44 : x
  2. Step 2: Convert to fraction form
    68,472.87/94,483.17 = 38,254.44/x
  3. Step 3: Cross multiply
    68,472.87x = 94,483.17 × 38,254.44
  4. Step 4: Simplify right side
    68,472.87x = 3,614,400,566.50
  5. Step 5: Solve for x
    x = 3,614,400,566.50/68,472.87
  6. Step 6: Final answer
    x = 52,785.88

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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.