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Finding the Fourth Proportional to 2,403.57, 3,606.57 and 1,104.87

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Solution

The fourth proportional to 2,403.57, 3,606.57 and 1,104.87 is: 1,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.57 : 3,606.57 = 1,104.87 : x
  2. Step 2: Convert to fraction form
    2,403.57/3,606.57 = 1,104.87/x
  3. Step 3: Cross multiply
    2,403.57x = 3,606.57 × 1,104.87
  4. Step 4: Simplify right side
    2,403.57x = 3,984,791.00
  5. Step 5: Solve for x
    x = 3,984,791.00/2,403.57
  6. Step 6: Final answer
    x = 1,657.86

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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.