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Finding the Fourth Proportional to 18,107.79, 24,988.71 and 11,034.24

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Solution

The fourth proportional to 18,107.79, 24,988.71 and 11,034.24 is: 15,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.79 : 24,988.71 = 11,034.24 : x
  2. Step 2: Convert to fraction form
    18,107.79/24,988.71 = 11,034.24/x
  3. Step 3: Cross multiply
    18,107.79x = 24,988.71 × 11,034.24
  4. Step 4: Simplify right side
    18,107.79x = 275,731,423.43
  5. Step 5: Solve for x
    x = 275,731,423.43/18,107.79
  6. Step 6: Final answer
    x = 15,227.23

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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.