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Finding the Fourth Proportional to 3,697.64, 5,543.72 and 1,747.57

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Solution

The fourth proportional to 3,697.64, 5,543.72 and 1,747.57 is: 2,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.64 : 5,543.72 = 1,747.57 : x
  2. Step 2: Convert to fraction form
    3,697.64/5,543.72 = 1,747.57/x
  3. Step 3: Cross multiply
    3,697.64x = 5,543.72 × 1,747.57
  4. Step 4: Simplify right side
    3,697.64x = 9,688,011.04
  5. Step 5: Solve for x
    x = 9,688,011.04/3,697.64
  6. Step 6: Final answer
    x = 2,620.05

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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.