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Finding the Fourth Proportional to 31,941.40, 48,020.24 and 25,744.92

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Solution

The fourth proportional to 31,941.40, 48,020.24 and 25,744.92 is: 38,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.40 : 48,020.24 = 25,744.92 : x
  2. Step 2: Convert to fraction form
    31,941.40/48,020.24 = 25,744.92/x
  3. Step 3: Cross multiply
    31,941.40x = 48,020.24 × 25,744.92
  4. Step 4: Simplify right side
    31,941.40x = 1,236,277,237.18
  5. Step 5: Solve for x
    x = 1,236,277,237.18/31,941.40
  6. Step 6: Final answer
    x = 38,704.54

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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.