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Finding the Fourth Proportional to 8,575.28, 12,927.19 and 8,003.75

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Solution

The fourth proportional to 8,575.28, 12,927.19 and 8,003.75 is: 12,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.28 : 12,927.19 = 8,003.75 : x
  2. Step 2: Convert to fraction form
    8,575.28/12,927.19 = 8,003.75/x
  3. Step 3: Cross multiply
    8,575.28x = 12,927.19 × 8,003.75
  4. Step 4: Simplify right side
    8,575.28x = 103,465,956.94
  5. Step 5: Solve for x
    x = 103,465,956.94/8,575.28
  6. Step 6: Final answer
    x = 12,065.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.