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Finding the Fourth Proportional to 8,839.32, 13,260.87 and 2,995.80

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Solution

The fourth proportional to 8,839.32, 13,260.87 and 2,995.80 is: 4,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.32 : 13,260.87 = 2,995.80 : x
  2. Step 2: Convert to fraction form
    8,839.32/13,260.87 = 2,995.80/x
  3. Step 3: Cross multiply
    8,839.32x = 13,260.87 × 2,995.80
  4. Step 4: Simplify right side
    8,839.32x = 39,726,914.35
  5. Step 5: Solve for x
    x = 39,726,914.35/8,839.32
  6. Step 6: Final answer
    x = 4,494.34

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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.