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Finding the Fourth Proportional to 27,342.46, 40,863.86 and 19,962.46

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Solution

The fourth proportional to 27,342.46, 40,863.86 and 19,962.46 is: 29,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.46 : 40,863.86 = 19,962.46 : x
  2. Step 2: Convert to fraction form
    27,342.46/40,863.86 = 19,962.46/x
  3. Step 3: Cross multiply
    27,342.46x = 40,863.86 × 19,962.46
  4. Step 4: Simplify right side
    27,342.46x = 815,743,170.70
  5. Step 5: Solve for x
    x = 815,743,170.70/27,342.46
  6. Step 6: Final answer
    x = 29,834.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.