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Finding the Fourth Proportional to 22,576.56, 33,870.33 and 6,781.56

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Solution

The fourth proportional to 22,576.56, 33,870.33 and 6,781.56 is: 10,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.56 : 33,870.33 = 6,781.56 : x
  2. Step 2: Convert to fraction form
    22,576.56/33,870.33 = 6,781.56/x
  3. Step 3: Cross multiply
    22,576.56x = 33,870.33 × 6,781.56
  4. Step 4: Simplify right side
    22,576.56x = 229,693,675.11
  5. Step 5: Solve for x
    x = 229,693,675.11/22,576.56
  6. Step 6: Final answer
    x = 10,173.99

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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.