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Finding the Fourth Proportional to 1,502.62, 2,250.07 and 1,039.76

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Solution

The fourth proportional to 1,502.62, 2,250.07 and 1,039.76 is: 1,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.62 : 2,250.07 = 1,039.76 : x
  2. Step 2: Convert to fraction form
    1,502.62/2,250.07 = 1,039.76/x
  3. Step 3: Cross multiply
    1,502.62x = 2,250.07 × 1,039.76
  4. Step 4: Simplify right side
    1,502.62x = 2,339,532.78
  5. Step 5: Solve for x
    x = 2,339,532.78/1,502.62
  6. Step 6: Final answer
    x = 1,556.97

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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.