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Finding the Fourth Proportional to 79,915.01, 119,872.51 and 27,324.95

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Solution

The fourth proportional to 79,915.01, 119,872.51 and 27,324.95 is: 40,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,915.01 : 119,872.51 = 27,324.95 : x
  2. Step 2: Convert to fraction form
    79,915.01/119,872.51 = 27,324.95/x
  3. Step 3: Cross multiply
    79,915.01x = 119,872.51 × 27,324.95
  4. Step 4: Simplify right side
    79,915.01x = 3,275,509,674.45
  5. Step 5: Solve for x
    x = 3,275,509,674.45/79,915.01
  6. Step 6: Final answer
    x = 40,987.42

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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.