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Finding the Fourth Proportional to 5,696.98, 8,545.50 and 1,801.40

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Solution

The fourth proportional to 5,696.98, 8,545.50 and 1,801.40 is: 2,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.98 : 8,545.50 = 1,801.40 : x
  2. Step 2: Convert to fraction form
    5,696.98/8,545.50 = 1,801.40/x
  3. Step 3: Cross multiply
    5,696.98x = 8,545.50 × 1,801.40
  4. Step 4: Simplify right side
    5,696.98x = 15,393,863.70
  5. Step 5: Solve for x
    x = 15,393,863.70/5,696.98
  6. Step 6: Final answer
    x = 2,702.11

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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.