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Finding the Fourth Proportional to 6,994.28, 9,652.10 and 3,850.47

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Solution

The fourth proportional to 6,994.28, 9,652.10 and 3,850.47 is: 5,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.28 : 9,652.10 = 3,850.47 : x
  2. Step 2: Convert to fraction form
    6,994.28/9,652.10 = 3,850.47/x
  3. Step 3: Cross multiply
    6,994.28x = 9,652.10 × 3,850.47
  4. Step 4: Simplify right side
    6,994.28x = 37,165,102.23
  5. Step 5: Solve for x
    x = 37,165,102.23/6,994.28
  6. Step 6: Final answer
    x = 5,313.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.