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Finding the Fourth Proportional to 45,296.70, 67,640.02 and 36,993.20

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Solution

The fourth proportional to 45,296.70, 67,640.02 and 36,993.20 is: 55,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,296.70 : 67,640.02 = 36,993.20 : x
  2. Step 2: Convert to fraction form
    45,296.70/67,640.02 = 36,993.20/x
  3. Step 3: Cross multiply
    45,296.70x = 67,640.02 × 36,993.20
  4. Step 4: Simplify right side
    45,296.70x = 2,502,220,787.86
  5. Step 5: Solve for x
    x = 2,502,220,787.86/45,296.70
  6. Step 6: Final answer
    x = 55,240.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.