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Finding the Fourth Proportional to 6,612.28, 9,964.81 and 5,954.92

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Solution

The fourth proportional to 6,612.28, 9,964.81 and 5,954.92 is: 8,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.28 : 9,964.81 = 5,954.92 : x
  2. Step 2: Convert to fraction form
    6,612.28/9,964.81 = 5,954.92/x
  3. Step 3: Cross multiply
    6,612.28x = 9,964.81 × 5,954.92
  4. Step 4: Simplify right side
    6,612.28x = 59,339,646.37
  5. Step 5: Solve for x
    x = 59,339,646.37/6,612.28
  6. Step 6: Final answer
    x = 8,974.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.