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Finding the Fourth Proportional to 8,635.56, 12,952.26 and 7,184.04

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Solution

The fourth proportional to 8,635.56, 12,952.26 and 7,184.04 is: 10,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.56 : 12,952.26 = 7,184.04 : x
  2. Step 2: Convert to fraction form
    8,635.56/12,952.26 = 7,184.04/x
  3. Step 3: Cross multiply
    8,635.56x = 12,952.26 × 7,184.04
  4. Step 4: Simplify right side
    8,635.56x = 93,049,553.93
  5. Step 5: Solve for x
    x = 93,049,553.93/8,635.56
  6. Step 6: Final answer
    x = 10,775.16

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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.