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Finding the Fourth Proportional to 17,073.18, 25,621.74 and 7,078.08

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Solution

The fourth proportional to 17,073.18, 25,621.74 and 7,078.08 is: 10,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.18 : 25,621.74 = 7,078.08 : x
  2. Step 2: Convert to fraction form
    17,073.18/25,621.74 = 7,078.08/x
  3. Step 3: Cross multiply
    17,073.18x = 25,621.74 × 7,078.08
  4. Step 4: Simplify right side
    17,073.18x = 181,352,725.46
  5. Step 5: Solve for x
    x = 181,352,725.46/17,073.18
  6. Step 6: Final answer
    x = 10,622.08

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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.