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Finding the Fourth Proportional to 2,606.23, 3,909.59 and 732.11

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Solution

The fourth proportional to 2,606.23, 3,909.59 and 732.11 is: 1,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.23 : 3,909.59 = 732.11 : x
  2. Step 2: Convert to fraction form
    2,606.23/3,909.59 = 732.11/x
  3. Step 3: Cross multiply
    2,606.23x = 3,909.59 × 732.11
  4. Step 4: Simplify right side
    2,606.23x = 2,862,246.27
  5. Step 5: Solve for x
    x = 2,862,246.27/2,606.23
  6. Step 6: Final answer
    x = 1,098.23

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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.