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Finding the Fourth Proportional to 3,702.75, 5,553.63 and 1,237.53

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Solution

The fourth proportional to 3,702.75, 5,553.63 and 1,237.53 is: 1,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.75 : 5,553.63 = 1,237.53 : x
  2. Step 2: Convert to fraction form
    3,702.75/5,553.63 = 1,237.53/x
  3. Step 3: Cross multiply
    3,702.75x = 5,553.63 × 1,237.53
  4. Step 4: Simplify right side
    3,702.75x = 6,872,783.73
  5. Step 5: Solve for x
    x = 6,872,783.73/3,702.75
  6. Step 6: Final answer
    x = 1,856.13

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1.5x scale

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.