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Finding the Fourth Proportional to 22,552.61, 33,827.90 and 7,761.60

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Solution

The fourth proportional to 22,552.61, 33,827.90 and 7,761.60 is: 11,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.61 : 33,827.90 = 7,761.60 : x
  2. Step 2: Convert to fraction form
    22,552.61/33,827.90 = 7,761.60/x
  3. Step 3: Cross multiply
    22,552.61x = 33,827.90 × 7,761.60
  4. Step 4: Simplify right side
    22,552.61x = 262,558,589.83
  5. Step 5: Solve for x
    x = 262,558,589.83/22,552.61
  6. Step 6: Final answer
    x = 11,642.05

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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.