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Finding the Fourth Proportional to 18,107.84, 24,988.80 and 11,034.28

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Solution

The fourth proportional to 18,107.84, 24,988.80 and 11,034.28 is: 15,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.84 : 24,988.80 = 11,034.28 : x
  2. Step 2: Convert to fraction form
    18,107.84/24,988.80 = 11,034.28/x
  3. Step 3: Cross multiply
    18,107.84x = 24,988.80 × 11,034.28
  4. Step 4: Simplify right side
    18,107.84x = 275,733,416.06
  5. Step 5: Solve for x
    x = 275,733,416.06/18,107.84
  6. Step 6: Final answer
    x = 15,227.29

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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.