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Finding the Fourth Proportional to 22,040.74, 33,061.12 and 6,458.38

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Solution

The fourth proportional to 22,040.74, 33,061.12 and 6,458.38 is: 9,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.74 : 33,061.12 = 6,458.38 : x
  2. Step 2: Convert to fraction form
    22,040.74/33,061.12 = 6,458.38/x
  3. Step 3: Cross multiply
    22,040.74x = 33,061.12 × 6,458.38
  4. Step 4: Simplify right side
    22,040.74x = 213,521,276.19
  5. Step 5: Solve for x
    x = 213,521,276.19/22,040.74
  6. Step 6: Final answer
    x = 9,687.57

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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.