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Finding the Fourth Proportional to 44,997.50, 67,459.80 and 18,721.92

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Solution

The fourth proportional to 44,997.50, 67,459.80 and 18,721.92 is: 28,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,997.50 : 67,459.80 = 18,721.92 : x
  2. Step 2: Convert to fraction form
    44,997.50/67,459.80 = 18,721.92/x
  3. Step 3: Cross multiply
    44,997.50x = 67,459.80 × 18,721.92
  4. Step 4: Simplify right side
    44,997.50x = 1,262,976,978.82
  5. Step 5: Solve for x
    x = 1,262,976,978.82/44,997.50
  6. Step 6: Final answer
    x = 28,067.71

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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.