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Finding the Fourth Proportional to 6,949.71, 10,425.64 and 2,331.63

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Solution

The fourth proportional to 6,949.71, 10,425.64 and 2,331.63 is: 3,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.71 : 10,425.64 = 2,331.63 : x
  2. Step 2: Convert to fraction form
    6,949.71/10,425.64 = 2,331.63/x
  3. Step 3: Cross multiply
    6,949.71x = 10,425.64 × 2,331.63
  4. Step 4: Simplify right side
    6,949.71x = 24,308,734.99
  5. Step 5: Solve for x
    x = 24,308,734.99/6,949.71
  6. Step 6: Final answer
    x = 3,497.81

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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.