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Finding the Fourth Proportional to 3,694.68, 5,543.24 and 1,746.63

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Solution

The fourth proportional to 3,694.68, 5,543.24 and 1,746.63 is: 2,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.68 : 5,543.24 = 1,746.63 : x
  2. Step 2: Convert to fraction form
    3,694.68/5,543.24 = 1,746.63/x
  3. Step 3: Cross multiply
    3,694.68x = 5,543.24 × 1,746.63
  4. Step 4: Simplify right side
    3,694.68x = 9,681,980.55
  5. Step 5: Solve for x
    x = 9,681,980.55/3,694.68
  6. Step 6: Final answer
    x = 2,620.52

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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.