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Finding the Fourth Proportional to 48,951.40, 73,446.30 and 17,789.80

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Solution

The fourth proportional to 48,951.40, 73,446.30 and 17,789.80 is: 26,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,951.40 : 73,446.30 = 17,789.80 : x
  2. Step 2: Convert to fraction form
    48,951.40/73,446.30 = 17,789.80/x
  3. Step 3: Cross multiply
    48,951.40x = 73,446.30 × 17,789.80
  4. Step 4: Simplify right side
    48,951.40x = 1,306,594,987.74
  5. Step 5: Solve for x
    x = 1,306,594,987.74/48,951.40
  6. Step 6: Final answer
    x = 26,691.68

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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.