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Finding the Fourth Proportional to 13,060.62, 18,014.13 and 8,282.03

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Solution

The fourth proportional to 13,060.62, 18,014.13 and 8,282.03 is: 11,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.62 : 18,014.13 = 8,282.03 : x
  2. Step 2: Convert to fraction form
    13,060.62/18,014.13 = 8,282.03/x
  3. Step 3: Cross multiply
    13,060.62x = 18,014.13 × 8,282.03
  4. Step 4: Simplify right side
    13,060.62x = 149,193,475.01
  5. Step 5: Solve for x
    x = 149,193,475.01/13,060.62
  6. Step 6: Final answer
    x = 11,423.15

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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.