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Finding the Fourth Proportional to 25,833.42, 38,748.77 and 8,301.89

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Solution

The fourth proportional to 25,833.42, 38,748.77 and 8,301.89 is: 12,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833.42 : 38,748.77 = 8,301.89 : x
  2. Step 2: Convert to fraction form
    25,833.42/38,748.77 = 8,301.89/x
  3. Step 3: Cross multiply
    25,833.42x = 38,748.77 × 8,301.89
  4. Step 4: Simplify right side
    25,833.42x = 321,687,790.92
  5. Step 5: Solve for x
    x = 321,687,790.92/25,833.42
  6. Step 6: Final answer
    x = 12,452.39

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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.