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Finding the Fourth Proportional to 13,034.88, 17,988.46 and 7,369.97

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Solution

The fourth proportional to 13,034.88, 17,988.46 and 7,369.97 is: 10,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.88 : 17,988.46 = 7,369.97 : x
  2. Step 2: Convert to fraction form
    13,034.88/17,988.46 = 7,369.97/x
  3. Step 3: Cross multiply
    13,034.88x = 17,988.46 × 7,369.97
  4. Step 4: Simplify right side
    13,034.88x = 132,574,302.18
  5. Step 5: Solve for x
    x = 132,574,302.18/13,034.88
  6. Step 6: Final answer
    x = 10,170.73

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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.