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Finding the Fourth Proportional to 12,026.76, 18,046.91 and 6,479.97

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Solution

The fourth proportional to 12,026.76, 18,046.91 and 6,479.97 is: 9,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.76 : 18,046.91 = 6,479.97 : x
  2. Step 2: Convert to fraction form
    12,026.76/18,046.91 = 6,479.97/x
  3. Step 3: Cross multiply
    12,026.76x = 18,046.91 × 6,479.97
  4. Step 4: Simplify right side
    12,026.76x = 116,943,435.39
  5. Step 5: Solve for x
    x = 116,943,435.39/12,026.76
  6. Step 6: Final answer
    x = 9,723.60

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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.