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Finding the Fourth Proportional to 8,885.84, 13,324.30 and 2,960.64

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Solution

The fourth proportional to 8,885.84, 13,324.30 and 2,960.64 is: 4,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.84 : 13,324.30 = 2,960.64 : x
  2. Step 2: Convert to fraction form
    8,885.84/13,324.30 = 2,960.64/x
  3. Step 3: Cross multiply
    8,885.84x = 13,324.30 × 2,960.64
  4. Step 4: Simplify right side
    8,885.84x = 39,448,448.15
  5. Step 5: Solve for x
    x = 39,448,448.15/8,885.84
  6. Step 6: Final answer
    x = 4,439.48

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Similar ratio
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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.