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Finding the Fourth Proportional to 8,801.74, 12,133.82 and 6,279.53

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Solution

The fourth proportional to 8,801.74, 12,133.82 and 6,279.53 is: 8,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.74 : 12,133.82 = 6,279.53 : x
  2. Step 2: Convert to fraction form
    8,801.74/12,133.82 = 6,279.53/x
  3. Step 3: Cross multiply
    8,801.74x = 12,133.82 × 6,279.53
  4. Step 4: Simplify right side
    8,801.74x = 76,194,732.74
  5. Step 5: Solve for x
    x = 76,194,732.74/8,801.74
  6. Step 6: Final answer
    x = 8,656.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.