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Finding the Fourth Proportional to 48,414.71, 72,622.07 and 18,853.31

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Solution

The fourth proportional to 48,414.71, 72,622.07 and 18,853.31 is: 28,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,414.71 : 72,622.07 = 18,853.31 : x
  2. Step 2: Convert to fraction form
    48,414.71/72,622.07 = 18,853.31/x
  3. Step 3: Cross multiply
    48,414.71x = 72,622.07 × 18,853.31
  4. Step 4: Simplify right side
    48,414.71x = 1,369,166,148.04
  5. Step 5: Solve for x
    x = 1,369,166,148.04/48,414.71
  6. Step 6: Final answer
    x = 28,279.96

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Similar ratio
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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.