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Finding the Fourth Proportional to 8,892.56, 13,337.74 and 5,561.11

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Solution

The fourth proportional to 8,892.56, 13,337.74 and 5,561.11 is: 8,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.56 : 13,337.74 = 5,561.11 : x
  2. Step 2: Convert to fraction form
    8,892.56/13,337.74 = 5,561.11/x
  3. Step 3: Cross multiply
    8,892.56x = 13,337.74 × 5,561.11
  4. Step 4: Simplify right side
    8,892.56x = 74,172,592.04
  5. Step 5: Solve for x
    x = 74,172,592.04/8,892.56
  6. Step 6: Final answer
    x = 8,340.97

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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.