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Finding the Fourth Proportional to 83,393.68, 125,125.28 and 33,509.24

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Solution

The fourth proportional to 83,393.68, 125,125.28 and 33,509.24 is: 50,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,393.68 : 125,125.28 = 33,509.24 : x
  2. Step 2: Convert to fraction form
    83,393.68/125,125.28 = 33,509.24/x
  3. Step 3: Cross multiply
    83,393.68x = 125,125.28 × 33,509.24
  4. Step 4: Simplify right side
    83,393.68x = 4,192,853,037.59
  5. Step 5: Solve for x
    x = 4,192,853,037.59/83,393.68
  6. Step 6: Final answer
    x = 50,277.83

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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.