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Finding the Fourth Proportional to 73,251.06, 109,876.59 and 26,493

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Solution

The fourth proportional to 73,251.06, 109,876.59 and 26,493 is: 39,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.06 : 109,876.59 = 26,493 : x
  2. Step 2: Convert to fraction form
    73,251.06/109,876.59 = 26,493/x
  3. Step 3: Cross multiply
    73,251.06x = 109,876.59 × 26,493
  4. Step 4: Simplify right side
    73,251.06x = 2,910,960,498.87
  5. Step 5: Solve for x
    x = 2,910,960,498.87/73,251.06
  6. Step 6: Final answer
    x = 39,739.50

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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.