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Finding the Fourth Proportional to 25,373.96, 38,063.49 and 8,731.80

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Solution

The fourth proportional to 25,373.96, 38,063.49 and 8,731.80 is: 13,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,373.96 : 38,063.49 = 8,731.80 : x
  2. Step 2: Convert to fraction form
    25,373.96/38,063.49 = 8,731.80/x
  3. Step 3: Cross multiply
    25,373.96x = 38,063.49 × 8,731.80
  4. Step 4: Simplify right side
    25,373.96x = 332,362,822.91
  5. Step 5: Solve for x
    x = 332,362,822.91/25,373.96
  6. Step 6: Final answer
    x = 13,098.58

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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.