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Finding the Fourth Proportional to 21,894.84, 32,822.82 and 16,341.48

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Solution

The fourth proportional to 21,894.84, 32,822.82 and 16,341.48 is: 24,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.84 : 32,822.82 = 16,341.48 : x
  2. Step 2: Convert to fraction form
    21,894.84/32,822.82 = 16,341.48/x
  3. Step 3: Cross multiply
    21,894.84x = 32,822.82 × 16,341.48
  4. Step 4: Simplify right side
    21,894.84x = 536,373,456.57
  5. Step 5: Solve for x
    x = 536,373,456.57/21,894.84
  6. Step 6: Final answer
    x = 24,497.71

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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.