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Finding the Fourth Proportional to 22,272, 30,735.36 and 12,337.92

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Solution

The fourth proportional to 22,272, 30,735.36 and 12,337.92 is: 17,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272 : 30,735.36 = 12,337.92 : x
  2. Step 2: Convert to fraction form
    22,272/30,735.36 = 12,337.92/x
  3. Step 3: Cross multiply
    22,272x = 30,735.36 × 12,337.92
  4. Step 4: Simplify right side
    22,272x = 379,210,412.85
  5. Step 5: Solve for x
    x = 379,210,412.85/22,272
  6. Step 6: Final answer
    x = 17,026.33

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Why These Related Problems?

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