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Finding the Fourth Proportional to 5,861.80, 8,789.95 and 3,397.34

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Solution

The fourth proportional to 5,861.80, 8,789.95 and 3,397.34 is: 5,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.80 : 8,789.95 = 3,397.34 : x
  2. Step 2: Convert to fraction form
    5,861.80/8,789.95 = 3,397.34/x
  3. Step 3: Cross multiply
    5,861.80x = 8,789.95 × 3,397.34
  4. Step 4: Simplify right side
    5,861.80x = 29,862,474.95
  5. Step 5: Solve for x
    x = 29,862,474.95/5,861.80
  6. Step 6: Final answer
    x = 5,094.42

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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.