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Finding the Fourth Proportional to 48,008.80, 72,013.20 and 44,728.30

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Solution

The fourth proportional to 48,008.80, 72,013.20 and 44,728.30 is: 67,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,008.80 : 72,013.20 = 44,728.30 : x
  2. Step 2: Convert to fraction form
    48,008.80/72,013.20 = 44,728.30/x
  3. Step 3: Cross multiply
    48,008.80x = 72,013.20 × 44,728.30
  4. Step 4: Simplify right side
    48,008.80x = 3,221,028,013.56
  5. Step 5: Solve for x
    x = 3,221,028,013.56/48,008.80
  6. Step 6: Final answer
    x = 67,092.45

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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.