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Finding the Fourth Proportional to 3,690.61, 5,534.22 and 1,350.02

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Solution

The fourth proportional to 3,690.61, 5,534.22 and 1,350.02 is: 2,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.61 : 5,534.22 = 1,350.02 : x
  2. Step 2: Convert to fraction form
    3,690.61/5,534.22 = 1,350.02/x
  3. Step 3: Cross multiply
    3,690.61x = 5,534.22 × 1,350.02
  4. Step 4: Simplify right side
    3,690.61x = 7,471,295.45
  5. Step 5: Solve for x
    x = 7,471,295.45/3,690.61
  6. Step 6: Final answer
    x = 2,024.40

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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.