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Finding the Fourth Proportional to 25,591.50, 38,383.47 and 8,065.62

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Solution

The fourth proportional to 25,591.50, 38,383.47 and 8,065.62 is: 12,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591.50 : 38,383.47 = 8,065.62 : x
  2. Step 2: Convert to fraction form
    25,591.50/38,383.47 = 8,065.62/x
  3. Step 3: Cross multiply
    25,591.50x = 38,383.47 × 8,065.62
  4. Step 4: Simplify right side
    25,591.50x = 309,586,483.30
  5. Step 5: Solve for x
    x = 309,586,483.30/25,591.50
  6. Step 6: Final answer
    x = 12,097.24

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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.