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Finding the Fourth Proportional to 1,132.62, 1,699.71 and 555.18

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Solution

The fourth proportional to 1,132.62, 1,699.71 and 555.18 is: 833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.62 : 1,699.71 = 555.18 : x
  2. Step 2: Convert to fraction form
    1,132.62/1,699.71 = 555.18/x
  3. Step 3: Cross multiply
    1,132.62x = 1,699.71 × 555.18
  4. Step 4: Simplify right side
    1,132.62x = 943,645.00
  5. Step 5: Solve for x
    x = 943,645.00/1,132.62
  6. Step 6: Final answer
    x = 833.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.