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Finding the Fourth Proportional to 4,643.28, 6,964.56 and 1,356.30

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Solution

The fourth proportional to 4,643.28, 6,964.56 and 1,356.30 is: 2,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.28 : 6,964.56 = 1,356.30 : x
  2. Step 2: Convert to fraction form
    4,643.28/6,964.56 = 1,356.30/x
  3. Step 3: Cross multiply
    4,643.28x = 6,964.56 × 1,356.30
  4. Step 4: Simplify right side
    4,643.28x = 9,446,032.73
  5. Step 5: Solve for x
    x = 9,446,032.73/4,643.28
  6. Step 6: Final answer
    x = 2,034.34

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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.