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Finding the Fourth Proportional to 38,323.40, 57,450.90 and 14,944.40

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Solution

The fourth proportional to 38,323.40, 57,450.90 and 14,944.40 is: 22,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.40 : 57,450.90 = 14,944.40 : x
  2. Step 2: Convert to fraction form
    38,323.40/57,450.90 = 14,944.40/x
  3. Step 3: Cross multiply
    38,323.40x = 57,450.90 × 14,944.40
  4. Step 4: Simplify right side
    38,323.40x = 858,569,229.96
  5. Step 5: Solve for x
    x = 858,569,229.96/38,323.40
  6. Step 6: Final answer
    x = 22,403.26

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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.