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Finding the Fourth Proportional to 55,229.60, 82,868.70 and 25,632.20

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Solution

The fourth proportional to 55,229.60, 82,868.70 and 25,632.20 is: 38,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.60 : 82,868.70 = 25,632.20 : x
  2. Step 2: Convert to fraction form
    55,229.60/82,868.70 = 25,632.20/x
  3. Step 3: Cross multiply
    55,229.60x = 82,868.70 × 25,632.20
  4. Step 4: Simplify right side
    55,229.60x = 2,124,107,092.14
  5. Step 5: Solve for x
    x = 2,124,107,092.14/55,229.60
  6. Step 6: Final answer
    x = 38,459.58

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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.