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Finding the Fourth Proportional to 40,981.70, 61,472.55 and 37,093.70

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Solution

The fourth proportional to 40,981.70, 61,472.55 and 37,093.70 is: 55,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981.70 : 61,472.55 = 37,093.70 : x
  2. Step 2: Convert to fraction form
    40,981.70/61,472.55 = 37,093.70/x
  3. Step 3: Cross multiply
    40,981.70x = 61,472.55 × 37,093.70
  4. Step 4: Simplify right side
    40,981.70x = 2,280,244,327.94
  5. Step 5: Solve for x
    x = 2,280,244,327.94/40,981.70
  6. Step 6: Final answer
    x = 55,640.55

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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.