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Finding the Fourth Proportional to 22,761.88, 34,142.74 and 7,975.01

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Solution

The fourth proportional to 22,761.88, 34,142.74 and 7,975.01 is: 11,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.88 : 34,142.74 = 7,975.01 : x
  2. Step 2: Convert to fraction form
    22,761.88/34,142.74 = 7,975.01/x
  3. Step 3: Cross multiply
    22,761.88x = 34,142.74 × 7,975.01
  4. Step 4: Simplify right side
    22,761.88x = 272,288,758.35
  5. Step 5: Solve for x
    x = 272,288,758.35/22,761.88
  6. Step 6: Final answer
    x = 11,962.49

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Double scale
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Similar ratio
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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.