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Finding the Fourth Proportional to 10,960.88, 16,438.88 and 6,579.58

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Solution

The fourth proportional to 10,960.88, 16,438.88 and 6,579.58 is: 9,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.88 : 16,438.88 = 6,579.58 : x
  2. Step 2: Convert to fraction form
    10,960.88/16,438.88 = 6,579.58/x
  3. Step 3: Cross multiply
    10,960.88x = 16,438.88 × 6,579.58
  4. Step 4: Simplify right side
    10,960.88x = 108,160,926.07
  5. Step 5: Solve for x
    x = 108,160,926.07/10,960.88
  6. Step 6: Final answer
    x = 9,867.91

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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.