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Finding the Fourth Proportional to 8,331.84, 11,500.50 and 4,797.39

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Solution

The fourth proportional to 8,331.84, 11,500.50 and 4,797.39 is: 6,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.84 : 11,500.50 = 4,797.39 : x
  2. Step 2: Convert to fraction form
    8,331.84/11,500.50 = 4,797.39/x
  3. Step 3: Cross multiply
    8,331.84x = 11,500.50 × 4,797.39
  4. Step 4: Simplify right side
    8,331.84x = 55,172,383.70
  5. Step 5: Solve for x
    x = 55,172,383.70/8,331.84
  6. Step 6: Final answer
    x = 6,621.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.