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Finding the Fourth Proportional to 37,882.38, 56,750.79 and 21,191.79

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Solution

The fourth proportional to 37,882.38, 56,750.79 and 21,191.79 is: 31,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,882.38 : 56,750.79 = 21,191.79 : x
  2. Step 2: Convert to fraction form
    37,882.38/56,750.79 = 21,191.79/x
  3. Step 3: Cross multiply
    37,882.38x = 56,750.79 × 21,191.79
  4. Step 4: Simplify right side
    37,882.38x = 1,202,651,116.30
  5. Step 5: Solve for x
    x = 1,202,651,116.30/37,882.38
  6. Step 6: Final answer
    x = 31,746.98

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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.