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Finding the Fourth Proportional to 1,062.33, 1,593.81 and 575.25

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Solution

The fourth proportional to 1,062.33, 1,593.81 and 575.25 is: 863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.33 : 1,593.81 = 575.25 : x
  2. Step 2: Convert to fraction form
    1,062.33/1,593.81 = 575.25/x
  3. Step 3: Cross multiply
    1,062.33x = 1,593.81 × 575.25
  4. Step 4: Simplify right side
    1,062.33x = 916,839.20
  5. Step 5: Solve for x
    x = 916,839.20/1,062.33
  6. Step 6: Final answer
    x = 863.05

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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.