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Finding the Fourth Proportional to 48,089.12, 72,133.76 and 16,917.12

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Solution

The fourth proportional to 48,089.12, 72,133.76 and 16,917.12 is: 25,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,089.12 : 72,133.76 = 16,917.12 : x
  2. Step 2: Convert to fraction form
    48,089.12/72,133.76 = 16,917.12/x
  3. Step 3: Cross multiply
    48,089.12x = 72,133.76 × 16,917.12
  4. Step 4: Simplify right side
    48,089.12x = 1,220,295,473.97
  5. Step 5: Solve for x
    x = 1,220,295,473.97/48,089.12
  6. Step 6: Final answer
    x = 25,375.71

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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.