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Finding the Fourth Proportional to 27,191.30, 37,523.76 and 15,254.38

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Solution

The fourth proportional to 27,191.30, 37,523.76 and 15,254.38 is: 21,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.30 : 37,523.76 = 15,254.38 : x
  2. Step 2: Convert to fraction form
    27,191.30/37,523.76 = 15,254.38/x
  3. Step 3: Cross multiply
    27,191.30x = 37,523.76 × 15,254.38
  4. Step 4: Simplify right side
    27,191.30x = 572,401,472.70
  5. Step 5: Solve for x
    x = 572,401,472.70/27,191.30
  6. Step 6: Final answer
    x = 21,050.91

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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.