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Finding the Fourth Proportional to 7,000.14, 10,486.13 and 3,479.49

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Solution

The fourth proportional to 7,000.14, 10,486.13 and 3,479.49 is: 5,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.14 : 10,486.13 = 3,479.49 : x
  2. Step 2: Convert to fraction form
    7,000.14/10,486.13 = 3,479.49/x
  3. Step 3: Cross multiply
    7,000.14x = 10,486.13 × 3,479.49
  4. Step 4: Simplify right side
    7,000.14x = 36,486,367.08
  5. Step 5: Solve for x
    x = 36,486,367.08/7,000.14
  6. Step 6: Final answer
    x = 5,212.24

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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.