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Finding the Fourth Proportional to 9,059.59, 13,589.42 and 4,125.78

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Solution

The fourth proportional to 9,059.59, 13,589.42 and 4,125.78 is: 6,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.59 : 13,589.42 = 4,125.78 : x
  2. Step 2: Convert to fraction form
    9,059.59/13,589.42 = 4,125.78/x
  3. Step 3: Cross multiply
    9,059.59x = 13,589.42 × 4,125.78
  4. Step 4: Simplify right side
    9,059.59x = 56,066,957.25
  5. Step 5: Solve for x
    x = 56,066,957.25/9,059.59
  6. Step 6: Final answer
    x = 6,188.69

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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.