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Finding the Fourth Proportional to 17,812, 26,718.36 and 4,665.52

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Solution

The fourth proportional to 17,812, 26,718.36 and 4,665.52 is: 6,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812 : 26,718.36 = 4,665.52 : x
  2. Step 2: Convert to fraction form
    17,812/26,718.36 = 4,665.52/x
  3. Step 3: Cross multiply
    17,812x = 26,718.36 × 4,665.52
  4. Step 4: Simplify right side
    17,812x = 124,655,042.95
  5. Step 5: Solve for x
    x = 124,655,042.95/17,812
  6. Step 6: Final answer
    x = 6,998.37

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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.