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Finding the Fourth Proportional to 5,655.10, 8,491.14 and 3,472.96

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Solution

The fourth proportional to 5,655.10, 8,491.14 and 3,472.96 is: 5,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.10 : 8,491.14 = 3,472.96 : x
  2. Step 2: Convert to fraction form
    5,655.10/8,491.14 = 3,472.96/x
  3. Step 3: Cross multiply
    5,655.10x = 8,491.14 × 3,472.96
  4. Step 4: Simplify right side
    5,655.10x = 29,489,389.57
  5. Step 5: Solve for x
    x = 29,489,389.57/5,655.10
  6. Step 6: Final answer
    x = 5,214.65

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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.