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Finding the Fourth Proportional to 1,132.16, 1,562.37 and 634.82

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Solution

The fourth proportional to 1,132.16, 1,562.37 and 634.82 is: 876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.16 : 1,562.37 = 634.82 : x
  2. Step 2: Convert to fraction form
    1,132.16/1,562.37 = 634.82/x
  3. Step 3: Cross multiply
    1,132.16x = 1,562.37 × 634.82
  4. Step 4: Simplify right side
    1,132.16x = 991,823.72
  5. Step 5: Solve for x
    x = 991,823.72/1,132.16
  6. Step 6: Final answer
    x = 876.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.