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Finding the Fourth Proportional to 3,695.66, 5,543.48 and 1,503.87

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Solution

The fourth proportional to 3,695.66, 5,543.48 and 1,503.87 is: 2,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.66 : 5,543.48 = 1,503.87 : x
  2. Step 2: Convert to fraction form
    3,695.66/5,543.48 = 1,503.87/x
  3. Step 3: Cross multiply
    3,695.66x = 5,543.48 × 1,503.87
  4. Step 4: Simplify right side
    3,695.66x = 8,336,673.27
  5. Step 5: Solve for x
    x = 8,336,673.27/3,695.66
  6. Step 6: Final answer
    x = 2,255.80

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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.