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Finding the Fourth Proportional to 1,702.18, 2,348.88 and 956.00

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Solution

The fourth proportional to 1,702.18, 2,348.88 and 956.00 is: 1,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.18 : 2,348.88 = 956.00 : x
  2. Step 2: Convert to fraction form
    1,702.18/2,348.88 = 956.00/x
  3. Step 3: Cross multiply
    1,702.18x = 2,348.88 × 956.00
  4. Step 4: Simplify right side
    1,702.18x = 2,245,517.54
  5. Step 5: Solve for x
    x = 2,245,517.54/1,702.18
  6. Step 6: Final answer
    x = 1,319.20

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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.