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Finding the Fourth Proportional to 27,793.62, 38,361.15 and 17,719.74

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Solution

The fourth proportional to 27,793.62, 38,361.15 and 17,719.74 is: 24,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.62 : 38,361.15 = 17,719.74 : x
  2. Step 2: Convert to fraction form
    27,793.62/38,361.15 = 17,719.74/x
  3. Step 3: Cross multiply
    27,793.62x = 38,361.15 × 17,719.74
  4. Step 4: Simplify right side
    27,793.62x = 679,749,604.10
  5. Step 5: Solve for x
    x = 679,749,604.10/27,793.62
  6. Step 6: Final answer
    x = 24,457.04

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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.