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Finding the Fourth Proportional to 1,180.88, 1,772.16 and 952.53

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Solution

The fourth proportional to 1,180.88, 1,772.16 and 952.53 is: 1,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.88 : 1,772.16 = 952.53 : x
  2. Step 2: Convert to fraction form
    1,180.88/1,772.16 = 952.53/x
  3. Step 3: Cross multiply
    1,180.88x = 1,772.16 × 952.53
  4. Step 4: Simplify right side
    1,180.88x = 1,688,035.56
  5. Step 5: Solve for x
    x = 1,688,035.56/1,180.88
  6. Step 6: Final answer
    x = 1,429.48

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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.