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Finding the Fourth Proportional to 9,059.76, 12,502.49 and 5,080.86

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Solution

The fourth proportional to 9,059.76, 12,502.49 and 5,080.86 is: 7,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.76 : 12,502.49 = 5,080.86 : x
  2. Step 2: Convert to fraction form
    9,059.76/12,502.49 = 5,080.86/x
  3. Step 3: Cross multiply
    9,059.76x = 12,502.49 × 5,080.86
  4. Step 4: Simplify right side
    9,059.76x = 63,523,375.94
  5. Step 5: Solve for x
    x = 63,523,375.94/9,059.76
  6. Step 6: Final answer
    x = 7,011.60

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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.