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Finding the Fourth Proportional to 5,702.18, 7,867.14 and 3,342.66

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Solution

The fourth proportional to 5,702.18, 7,867.14 and 3,342.66 is: 4,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.18 : 7,867.14 = 3,342.66 : x
  2. Step 2: Convert to fraction form
    5,702.18/7,867.14 = 3,342.66/x
  3. Step 3: Cross multiply
    5,702.18x = 7,867.14 × 3,342.66
  4. Step 4: Simplify right side
    5,702.18x = 26,297,174.19
  5. Step 5: Solve for x
    x = 26,297,174.19/5,702.18
  6. Step 6: Final answer
    x = 4,611.78

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1.5x scale

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.