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Finding the Fourth Proportional to 3,702.66, 5,554.29 and 1,237.47

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Solution

The fourth proportional to 3,702.66, 5,554.29 and 1,237.47 is: 1,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.66 : 5,554.29 = 1,237.47 : x
  2. Step 2: Convert to fraction form
    3,702.66/5,554.29 = 1,237.47/x
  3. Step 3: Cross multiply
    3,702.66x = 5,554.29 × 1,237.47
  4. Step 4: Simplify right side
    3,702.66x = 6,873,267.25
  5. Step 5: Solve for x
    x = 6,873,267.25/3,702.66
  6. Step 6: Final answer
    x = 1,856.31

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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.