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Finding the Fourth Proportional to 5,560.29, 7,655.72 and 4,719.24

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Solution

The fourth proportional to 5,560.29, 7,655.72 and 4,719.24 is: 6,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.29 : 7,655.72 = 4,719.24 : x
  2. Step 2: Convert to fraction form
    5,560.29/7,655.72 = 4,719.24/x
  3. Step 3: Cross multiply
    5,560.29x = 7,655.72 × 4,719.24
  4. Step 4: Simplify right side
    5,560.29x = 36,129,156.46
  5. Step 5: Solve for x
    x = 36,129,156.46/5,560.29
  6. Step 6: Final answer
    x = 6,497.71

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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.