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Finding the Fourth Proportional to 45,858.66, 68,794.11 and 18,150.18

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Solution

The fourth proportional to 45,858.66, 68,794.11 and 18,150.18 is: 27,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,858.66 : 68,794.11 = 18,150.18 : x
  2. Step 2: Convert to fraction form
    45,858.66/68,794.11 = 18,150.18/x
  3. Step 3: Cross multiply
    45,858.66x = 68,794.11 × 18,150.18
  4. Step 4: Simplify right side
    45,858.66x = 1,248,625,479.44
  5. Step 5: Solve for x
    x = 1,248,625,479.44/45,858.66
  6. Step 6: Final answer
    x = 27,227.69

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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.