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Finding the Fourth Proportional to 39,471.56, 54,470.72 and 22,474.94

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Solution

The fourth proportional to 39,471.56, 54,470.72 and 22,474.94 is: 31,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.56 : 54,470.72 = 22,474.94 : x
  2. Step 2: Convert to fraction form
    39,471.56/54,470.72 = 22,474.94/x
  3. Step 3: Cross multiply
    39,471.56x = 54,470.72 × 22,474.94
  4. Step 4: Simplify right side
    39,471.56x = 1,224,226,163.76
  5. Step 5: Solve for x
    x = 1,224,226,163.76/39,471.56
  6. Step 6: Final answer
    x = 31,015.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.