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Finding the Fourth Proportional to 17,007.28, 25,521.72 and 6,619.12

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Solution

The fourth proportional to 17,007.28, 25,521.72 and 6,619.12 is: 9,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.28 : 25,521.72 = 6,619.12 : x
  2. Step 2: Convert to fraction form
    17,007.28/25,521.72 = 6,619.12/x
  3. Step 3: Cross multiply
    17,007.28x = 25,521.72 × 6,619.12
  4. Step 4: Simplify right side
    17,007.28x = 168,931,327.29
  5. Step 5: Solve for x
    x = 168,931,327.29/17,007.28
  6. Step 6: Final answer
    x = 9,932.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.