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Finding the Fourth Proportional to 73,091.52, 109,689.12 and 26,344.80

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Solution

The fourth proportional to 73,091.52, 109,689.12 and 26,344.80 is: 39,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.52 : 109,689.12 = 26,344.80 : x
  2. Step 2: Convert to fraction form
    73,091.52/109,689.12 = 26,344.80/x
  3. Step 3: Cross multiply
    73,091.52x = 109,689.12 × 26,344.80
  4. Step 4: Simplify right side
    73,091.52x = 2,889,737,928.58
  5. Step 5: Solve for x
    x = 2,889,737,928.58/73,091.52
  6. Step 6: Final answer
    x = 39,535.88

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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.