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Finding the Fourth Proportional to 48,481.88, 72,722.82 and 15,202.12

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Solution

The fourth proportional to 48,481.88, 72,722.82 and 15,202.12 is: 22,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.88 : 72,722.82 = 15,202.12 : x
  2. Step 2: Convert to fraction form
    48,481.88/72,722.82 = 15,202.12/x
  3. Step 3: Cross multiply
    48,481.88x = 72,722.82 × 15,202.12
  4. Step 4: Simplify right side
    48,481.88x = 1,105,541,036.38
  5. Step 5: Solve for x
    x = 1,105,541,036.38/48,481.88
  6. Step 6: Final answer
    x = 22,803.18

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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.