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Finding the Fourth Proportional to 2,702.00, 3,728.51 and 1,706.92

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Solution

The fourth proportional to 2,702.00, 3,728.51 and 1,706.92 is: 2,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.00 : 3,728.51 = 1,706.92 : x
  2. Step 2: Convert to fraction form
    2,702.00/3,728.51 = 1,706.92/x
  3. Step 3: Cross multiply
    2,702.00x = 3,728.51 × 1,706.92
  4. Step 4: Simplify right side
    2,702.00x = 6,364,250.43
  5. Step 5: Solve for x
    x = 6,364,250.43/2,702.00
  6. Step 6: Final answer
    x = 2,355.38

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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.