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Finding the Fourth Proportional to 22,961.31, 34,440.48 and 7,377.72

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Solution

The fourth proportional to 22,961.31, 34,440.48 and 7,377.72 is: 11,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.31 : 34,440.48 = 7,377.72 : x
  2. Step 2: Convert to fraction form
    22,961.31/34,440.48 = 7,377.72/x
  3. Step 3: Cross multiply
    22,961.31x = 34,440.48 × 7,377.72
  4. Step 4: Simplify right side
    22,961.31x = 254,092,218.11
  5. Step 5: Solve for x
    x = 254,092,218.11/22,961.31
  6. Step 6: Final answer
    x = 11,066.10

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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.