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Finding the Fourth Proportional to 1,177.52, 1,625.30 and 735.16

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Solution

The fourth proportional to 1,177.52, 1,625.30 and 735.16 is: 1,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.52 : 1,625.30 = 735.16 : x
  2. Step 2: Convert to fraction form
    1,177.52/1,625.30 = 735.16/x
  3. Step 3: Cross multiply
    1,177.52x = 1,625.30 × 735.16
  4. Step 4: Simplify right side
    1,177.52x = 1,194,843.75
  5. Step 5: Solve for x
    x = 1,194,843.75/1,177.52
  6. Step 6: Final answer
    x = 1,014.71

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Why These Related Problems?

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