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Finding the Fourth Proportional to 7,502.56, 11,253.72 and 2,505.28

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Solution

The fourth proportional to 7,502.56, 11,253.72 and 2,505.28 is: 3,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.56 : 11,253.72 = 2,505.28 : x
  2. Step 2: Convert to fraction form
    7,502.56/11,253.72 = 2,505.28/x
  3. Step 3: Cross multiply
    7,502.56x = 11,253.72 × 2,505.28
  4. Step 4: Simplify right side
    7,502.56x = 28,193,719.64
  5. Step 5: Solve for x
    x = 28,193,719.64/7,502.56
  6. Step 6: Final answer
    x = 3,757.88

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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.