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Finding the Fourth Proportional to 3,510.62, 5,265.92 and 1,045.43

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Solution

The fourth proportional to 3,510.62, 5,265.92 and 1,045.43 is: 1,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.62 : 5,265.92 = 1,045.43 : x
  2. Step 2: Convert to fraction form
    3,510.62/5,265.92 = 1,045.43/x
  3. Step 3: Cross multiply
    3,510.62x = 5,265.92 × 1,045.43
  4. Step 4: Simplify right side
    3,510.62x = 5,505,119.19
  5. Step 5: Solve for x
    x = 5,505,119.19/3,510.62
  6. Step 6: Final answer
    x = 1,568.14

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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.