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Finding the Fourth Proportional to 36,049.74, 49,483.88 and 31,981.92

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Solution

The fourth proportional to 36,049.74, 49,483.88 and 31,981.92 is: 43,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.74 : 49,483.88 = 31,981.92 : x
  2. Step 2: Convert to fraction form
    36,049.74/49,483.88 = 31,981.92/x
  3. Step 3: Cross multiply
    36,049.74x = 49,483.88 × 31,981.92
  4. Step 4: Simplify right side
    36,049.74x = 1,582,589,331.54
  5. Step 5: Solve for x
    x = 1,582,589,331.54/36,049.74
  6. Step 6: Final answer
    x = 43,900.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.