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Finding the Fourth Proportional to 17,318.43, 25,984.47 and 9,003.65

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Solution

The fourth proportional to 17,318.43, 25,984.47 and 9,003.65 is: 13,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.43 : 25,984.47 = 9,003.65 : x
  2. Step 2: Convert to fraction form
    17,318.43/25,984.47 = 9,003.65/x
  3. Step 3: Cross multiply
    17,318.43x = 25,984.47 × 9,003.65
  4. Step 4: Simplify right side
    17,318.43x = 233,954,943.39
  5. Step 5: Solve for x
    x = 233,954,943.39/17,318.43
  6. Step 6: Final answer
    x = 13,509.02

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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.