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Finding the Fourth Proportional to 9,011.70, 13,517.55 and 5,739.30

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Solution

The fourth proportional to 9,011.70, 13,517.55 and 5,739.30 is: 8,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.70 : 13,517.55 = 5,739.30 : x
  2. Step 2: Convert to fraction form
    9,011.70/13,517.55 = 5,739.30/x
  3. Step 3: Cross multiply
    9,011.70x = 13,517.55 × 5,739.30
  4. Step 4: Simplify right side
    9,011.70x = 77,581,274.72
  5. Step 5: Solve for x
    x = 77,581,274.72/9,011.70
  6. Step 6: Final answer
    x = 8,608.95

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Similar ratio
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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.