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Finding the Fourth Proportional to 49,470.76, 74,072.22 and 36,222.76

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Solution

The fourth proportional to 49,470.76, 74,072.22 and 36,222.76 is: 54,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.76 : 74,072.22 = 36,222.76 : x
  2. Step 2: Convert to fraction form
    49,470.76/74,072.22 = 36,222.76/x
  3. Step 3: Cross multiply
    49,470.76x = 74,072.22 × 36,222.76
  4. Step 4: Simplify right side
    49,470.76x = 2,683,100,247.73
  5. Step 5: Solve for x
    x = 2,683,100,247.73/49,470.76
  6. Step 6: Final answer
    x = 54,236.08

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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.