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Finding the Fourth Proportional to 1,180.83, 1,772.13 and 952.46

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Solution

The fourth proportional to 1,180.83, 1,772.13 and 952.46 is: 1,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.83 : 1,772.13 = 952.46 : x
  2. Step 2: Convert to fraction form
    1,180.83/1,772.13 = 952.46/x
  3. Step 3: Cross multiply
    1,180.83x = 1,772.13 × 952.46
  4. Step 4: Simplify right side
    1,180.83x = 1,687,878.51
  5. Step 5: Solve for x
    x = 1,687,878.51/1,180.83
  6. Step 6: Final answer
    x = 1,429.40

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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.