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Finding the Fourth Proportional to 11,839.94, 17,750.73 and 7,671.14

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Solution

The fourth proportional to 11,839.94, 17,750.73 and 7,671.14 is: 11,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.94 : 17,750.73 = 7,671.14 : x
  2. Step 2: Convert to fraction form
    11,839.94/17,750.73 = 7,671.14/x
  3. Step 3: Cross multiply
    11,839.94x = 17,750.73 × 7,671.14
  4. Step 4: Simplify right side
    11,839.94x = 136,168,334.93
  5. Step 5: Solve for x
    x = 136,168,334.93/11,839.94
  6. Step 6: Final answer
    x = 11,500.76

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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.