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Finding the Fourth Proportional to 1,702.80, 2,552.54 and 932.76

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Solution

The fourth proportional to 1,702.80, 2,552.54 and 932.76 is: 1,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.80 : 2,552.54 = 932.76 : x
  2. Step 2: Convert to fraction form
    1,702.80/2,552.54 = 932.76/x
  3. Step 3: Cross multiply
    1,702.80x = 2,552.54 × 932.76
  4. Step 4: Simplify right side
    1,702.80x = 2,380,907.21
  5. Step 5: Solve for x
    x = 2,380,907.21/1,702.80
  6. Step 6: Final answer
    x = 1,398.23

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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.