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Finding the Fourth Proportional to 37,601.70, 51,891.39 and 20,834.70

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Solution

The fourth proportional to 37,601.70, 51,891.39 and 20,834.70 is: 28,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,601.70 : 51,891.39 = 20,834.70 : x
  2. Step 2: Convert to fraction form
    37,601.70/51,891.39 = 20,834.70/x
  3. Step 3: Cross multiply
    37,601.70x = 51,891.39 × 20,834.70
  4. Step 4: Simplify right side
    37,601.70x = 1,081,141,543.23
  5. Step 5: Solve for x
    x = 1,081,141,543.23/37,601.70
  6. Step 6: Final answer
    x = 28,752.46

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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.