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Finding the Fourth Proportional to 1,180.68, 1,773.16 and 1,034.88

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Solution

The fourth proportional to 1,180.68, 1,773.16 and 1,034.88 is: 1,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.68 : 1,773.16 = 1,034.88 : x
  2. Step 2: Convert to fraction form
    1,180.68/1,773.16 = 1,034.88/x
  3. Step 3: Cross multiply
    1,180.68x = 1,773.16 × 1,034.88
  4. Step 4: Simplify right side
    1,180.68x = 1,835,007.82
  5. Step 5: Solve for x
    x = 1,835,007.82/1,180.68
  6. Step 6: Final answer
    x = 1,554.20

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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.