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Finding the Fourth Proportional to 25,181.99, 37,738.95 and 9,591.11

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Solution

The fourth proportional to 25,181.99, 37,738.95 and 9,591.11 is: 14,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.99 : 37,738.95 = 9,591.11 : x
  2. Step 2: Convert to fraction form
    25,181.99/37,738.95 = 9,591.11/x
  3. Step 3: Cross multiply
    25,181.99x = 37,738.95 × 9,591.11
  4. Step 4: Simplify right side
    25,181.99x = 361,958,420.73
  5. Step 5: Solve for x
    x = 361,958,420.73/25,181.99
  6. Step 6: Final answer
    x = 14,373.70

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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.