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Finding the Fourth Proportional to 22,718.82, 31,285.82 and 17,674.55

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Solution

The fourth proportional to 22,718.82, 31,285.82 and 17,674.55 is: 24,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.82 : 31,285.82 = 17,674.55 : x
  2. Step 2: Convert to fraction form
    22,718.82/31,285.82 = 17,674.55/x
  3. Step 3: Cross multiply
    22,718.82x = 31,285.82 × 17,674.55
  4. Step 4: Simplify right side
    22,718.82x = 552,962,545.08
  5. Step 5: Solve for x
    x = 552,962,545.08/22,718.82
  6. Step 6: Final answer
    x = 24,339.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.