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Finding the Fourth Proportional to 37,134.70, 51,248.22 and 20,367.70

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Solution

The fourth proportional to 37,134.70, 51,248.22 and 20,367.70 is: 28,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.70 : 51,248.22 = 20,367.70 : x
  2. Step 2: Convert to fraction form
    37,134.70/51,248.22 = 20,367.70/x
  3. Step 3: Cross multiply
    37,134.70x = 51,248.22 × 20,367.70
  4. Step 4: Simplify right side
    37,134.70x = 1,043,808,370.49
  5. Step 5: Solve for x
    x = 1,043,808,370.49/37,134.70
  6. Step 6: Final answer
    x = 28,108.71

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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.