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Finding the Fourth Proportional to 55,447.92, 83,171.04 and 25,848.90

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Solution

The fourth proportional to 55,447.92, 83,171.04 and 25,848.90 is: 38,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.92 : 83,171.04 = 25,848.90 : x
  2. Step 2: Convert to fraction form
    55,447.92/83,171.04 = 25,848.90/x
  3. Step 3: Cross multiply
    55,447.92x = 83,171.04 × 25,848.90
  4. Step 4: Simplify right side
    55,447.92x = 2,149,879,895.86
  5. Step 5: Solve for x
    x = 2,149,879,895.86/55,447.92
  6. Step 6: Final answer
    x = 38,772.96

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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.