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Finding the Fourth Proportional to 13,097.76, 18,069.57 and 8,060.46

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Solution

The fourth proportional to 13,097.76, 18,069.57 and 8,060.46 is: 11,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.76 : 18,069.57 = 8,060.46 : x
  2. Step 2: Convert to fraction form
    13,097.76/18,069.57 = 8,060.46/x
  3. Step 3: Cross multiply
    13,097.76x = 18,069.57 × 8,060.46
  4. Step 4: Simplify right side
    13,097.76x = 145,649,046.20
  5. Step 5: Solve for x
    x = 145,649,046.20/13,097.76
  6. Step 6: Final answer
    x = 11,120.15

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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.