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Finding the Fourth Proportional to 1,702.72, 2,553.47 and 591.85

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Solution

The fourth proportional to 1,702.72, 2,553.47 and 591.85 is: 887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.72 : 2,553.47 = 591.85 : x
  2. Step 2: Convert to fraction form
    1,702.72/2,553.47 = 591.85/x
  3. Step 3: Cross multiply
    1,702.72x = 2,553.47 × 591.85
  4. Step 4: Simplify right side
    1,702.72x = 1,511,271.22
  5. Step 5: Solve for x
    x = 1,511,271.22/1,702.72
  6. Step 6: Final answer
    x = 887.56

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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.