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Finding the Fourth Proportional to 6,986.93, 10,479.17 and 2,306.88

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Solution

The fourth proportional to 6,986.93, 10,479.17 and 2,306.88 is: 3,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.93 : 10,479.17 = 2,306.88 : x
  2. Step 2: Convert to fraction form
    6,986.93/10,479.17 = 2,306.88/x
  3. Step 3: Cross multiply
    6,986.93x = 10,479.17 × 2,306.88
  4. Step 4: Simplify right side
    6,986.93x = 24,174,193.46
  5. Step 5: Solve for x
    x = 24,174,193.46/6,986.93
  6. Step 6: Final answer
    x = 3,459.92

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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.