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Finding the Fourth Proportional to 49,229.76, 73,844.62 and 12,293.76

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Solution

The fourth proportional to 49,229.76, 73,844.62 and 12,293.76 is: 18,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,229.76 : 73,844.62 = 12,293.76 : x
  2. Step 2: Convert to fraction form
    49,229.76/73,844.62 = 12,293.76/x
  3. Step 3: Cross multiply
    49,229.76x = 73,844.62 × 12,293.76
  4. Step 4: Simplify right side
    49,229.76x = 907,828,035.57
  5. Step 5: Solve for x
    x = 907,828,035.57/49,229.76
  6. Step 6: Final answer
    x = 18,440.64

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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.