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Finding the Fourth Proportional to 1,702.52, 2,349.50 and 956.64

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Solution

The fourth proportional to 1,702.52, 2,349.50 and 956.64 is: 1,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.52 : 2,349.50 = 956.64 : x
  2. Step 2: Convert to fraction form
    1,702.52/2,349.50 = 956.64/x
  3. Step 3: Cross multiply
    1,702.52x = 2,349.50 × 956.64
  4. Step 4: Simplify right side
    1,702.52x = 2,247,625.68
  5. Step 5: Solve for x
    x = 2,247,625.68/1,702.52
  6. Step 6: Final answer
    x = 1,320.18

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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.