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Finding the Fourth Proportional to 15,065.28, 22,576.08 and 10,691.28

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Solution

The fourth proportional to 15,065.28, 22,576.08 and 10,691.28 is: 16,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.28 : 22,576.08 = 10,691.28 : x
  2. Step 2: Convert to fraction form
    15,065.28/22,576.08 = 10,691.28/x
  3. Step 3: Cross multiply
    15,065.28x = 22,576.08 × 10,691.28
  4. Step 4: Simplify right side
    15,065.28x = 241,367,192.58
  5. Step 5: Solve for x
    x = 241,367,192.58/15,065.28
  6. Step 6: Final answer
    x = 16,021.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.