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Finding the Fourth Proportional to 22,761.22, 34,141.84 and 7,180.06

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Solution

The fourth proportional to 22,761.22, 34,141.84 and 7,180.06 is: 10,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.22 : 34,141.84 = 7,180.06 : x
  2. Step 2: Convert to fraction form
    22,761.22/34,141.84 = 7,180.06/x
  3. Step 3: Cross multiply
    22,761.22x = 34,141.84 × 7,180.06
  4. Step 4: Simplify right side
    22,761.22x = 245,140,459.71
  5. Step 5: Solve for x
    x = 245,140,459.71/22,761.22
  6. Step 6: Final answer
    x = 10,770.09

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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.