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Finding the Fourth Proportional to 17,026.95, 25,550.43 and 7,165.47

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Solution

The fourth proportional to 17,026.95, 25,550.43 and 7,165.47 is: 10,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,026.95 : 25,550.43 = 7,165.47 : x
  2. Step 2: Convert to fraction form
    17,026.95/25,550.43 = 7,165.47/x
  3. Step 3: Cross multiply
    17,026.95x = 25,550.43 × 7,165.47
  4. Step 4: Simplify right side
    17,026.95x = 183,080,839.65
  5. Step 5: Solve for x
    x = 183,080,839.65/17,026.95
  6. Step 6: Final answer
    x = 10,752.42

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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.