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Finding the Fourth Proportional to 8,986.35, 13,481.01 and 4,055.88

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Solution

The fourth proportional to 8,986.35, 13,481.01 and 4,055.88 is: 6,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.35 : 13,481.01 = 4,055.88 : x
  2. Step 2: Convert to fraction form
    8,986.35/13,481.01 = 4,055.88/x
  3. Step 3: Cross multiply
    8,986.35x = 13,481.01 × 4,055.88
  4. Step 4: Simplify right side
    8,986.35x = 54,677,358.84
  5. Step 5: Solve for x
    x = 54,677,358.84/8,986.35
  6. Step 6: Final answer
    x = 6,084.49

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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.