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Finding the Fourth Proportional to 1,053.68, 1,581.32 and 566.87

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Solution

The fourth proportional to 1,053.68, 1,581.32 and 566.87 is: 850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.68 : 1,581.32 = 566.87 : x
  2. Step 2: Convert to fraction form
    1,053.68/1,581.32 = 566.87/x
  3. Step 3: Cross multiply
    1,053.68x = 1,581.32 × 566.87
  4. Step 4: Simplify right side
    1,053.68x = 896,396.38
  5. Step 5: Solve for x
    x = 896,396.38/1,053.68
  6. Step 6: Final answer
    x = 850.73

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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.