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Finding the Fourth Proportional to 48,358.20, 72,498.90 and 26,470.20

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Solution

The fourth proportional to 48,358.20, 72,498.90 and 26,470.20 is: 39,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,358.20 : 72,498.90 = 26,470.20 : x
  2. Step 2: Convert to fraction form
    48,358.20/72,498.90 = 26,470.20/x
  3. Step 3: Cross multiply
    48,358.20x = 72,498.90 × 26,470.20
  4. Step 4: Simplify right side
    48,358.20x = 1,919,060,382.78
  5. Step 5: Solve for x
    x = 1,919,060,382.78/48,358.20
  6. Step 6: Final answer
    x = 39,684.28

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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.