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Finding the Fourth Proportional to 22,927.20, 34,342.20 and 20,011.20

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Solution

The fourth proportional to 22,927.20, 34,342.20 and 20,011.20 is: 29,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,927.20 : 34,342.20 = 20,011.20 : x
  2. Step 2: Convert to fraction form
    22,927.20/34,342.20 = 20,011.20/x
  3. Step 3: Cross multiply
    22,927.20x = 34,342.20 × 20,011.20
  4. Step 4: Simplify right side
    22,927.20x = 687,228,632.64
  5. Step 5: Solve for x
    x = 687,228,632.64/22,927.20
  6. Step 6: Final answer
    x = 29,974.38

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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.