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Finding the Fourth Proportional to 8,732.56, 12,051.48 and 5,195.92

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Solution

The fourth proportional to 8,732.56, 12,051.48 and 5,195.92 is: 7,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.56 : 12,051.48 = 5,195.92 : x
  2. Step 2: Convert to fraction form
    8,732.56/12,051.48 = 5,195.92/x
  3. Step 3: Cross multiply
    8,732.56x = 12,051.48 × 5,195.92
  4. Step 4: Simplify right side
    8,732.56x = 62,618,525.96
  5. Step 5: Solve for x
    x = 62,618,525.96/8,732.56
  6. Step 6: Final answer
    x = 7,170.70

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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.