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Finding the Fourth Proportional to 10,652.65, 15,964.39 and 6,759.79

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Solution

The fourth proportional to 10,652.65, 15,964.39 and 6,759.79 is: 10,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.65 : 15,964.39 = 6,759.79 : x
  2. Step 2: Convert to fraction form
    10,652.65/15,964.39 = 6,759.79/x
  3. Step 3: Cross multiply
    10,652.65x = 15,964.39 × 6,759.79
  4. Step 4: Simplify right side
    10,652.65x = 107,915,923.88
  5. Step 5: Solve for x
    x = 107,915,923.88/10,652.65
  6. Step 6: Final answer
    x = 10,130.43

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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.