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Finding the Fourth Proportional to 47,171.92, 65,098.98 and 25,952.80

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Solution

The fourth proportional to 47,171.92, 65,098.98 and 25,952.80 is: 35,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.92 : 65,098.98 = 25,952.80 : x
  2. Step 2: Convert to fraction form
    47,171.92/65,098.98 = 25,952.80/x
  3. Step 3: Cross multiply
    47,171.92x = 65,098.98 × 25,952.80
  4. Step 4: Simplify right side
    47,171.92x = 1,689,500,808.14
  5. Step 5: Solve for x
    x = 1,689,500,808.14/47,171.92
  6. Step 6: Final answer
    x = 35,815.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.