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Finding the Fourth Proportional to 27,381.99, 37,794.02 and 15,452.20

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Solution

The fourth proportional to 27,381.99, 37,794.02 and 15,452.20 is: 21,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.99 : 37,794.02 = 15,452.20 : x
  2. Step 2: Convert to fraction form
    27,381.99/37,794.02 = 15,452.20/x
  3. Step 3: Cross multiply
    27,381.99x = 37,794.02 × 15,452.20
  4. Step 4: Simplify right side
    27,381.99x = 584,000,755.84
  5. Step 5: Solve for x
    x = 584,000,755.84/27,381.99
  6. Step 6: Final answer
    x = 21,327.92

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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.