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Finding the Fourth Proportional to 55,191.92, 82,801.85 and 15,749.18

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Solution

The fourth proportional to 55,191.92, 82,801.85 and 15,749.18 is: 23,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.92 : 82,801.85 = 15,749.18 : x
  2. Step 2: Convert to fraction form
    55,191.92/82,801.85 = 15,749.18/x
  3. Step 3: Cross multiply
    55,191.92x = 82,801.85 × 15,749.18
  4. Step 4: Simplify right side
    55,191.92x = 1,304,060,747.23
  5. Step 5: Solve for x
    x = 1,304,060,747.23/55,191.92
  6. Step 6: Final answer
    x = 23,627.75

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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.