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Finding the Fourth Proportional to 22,042.40, 33,065.12 and 8,010.72

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Solution

The fourth proportional to 22,042.40, 33,065.12 and 8,010.72 is: 12,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.40 : 33,065.12 = 8,010.72 : x
  2. Step 2: Convert to fraction form
    22,042.40/33,065.12 = 8,010.72/x
  3. Step 3: Cross multiply
    22,042.40x = 33,065.12 × 8,010.72
  4. Step 4: Simplify right side
    22,042.40x = 264,875,418.09
  5. Step 5: Solve for x
    x = 264,875,418.09/22,042.40
  6. Step 6: Final answer
    x = 12,016.63

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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.