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Finding the Fourth Proportional to 48,447.20, 72,670.80 and 33,624.80

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Solution

The fourth proportional to 48,447.20, 72,670.80 and 33,624.80 is: 50,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.20 : 72,670.80 = 33,624.80 : x
  2. Step 2: Convert to fraction form
    48,447.20/72,670.80 = 33,624.80/x
  3. Step 3: Cross multiply
    48,447.20x = 72,670.80 × 33,624.80
  4. Step 4: Simplify right side
    48,447.20x = 2,443,541,115.84
  5. Step 5: Solve for x
    x = 2,443,541,115.84/48,447.20
  6. Step 6: Final answer
    x = 50,437.20

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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.