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Finding the Fourth Proportional to 21,794.76, 32,664.24 and 9,299.88

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Solution

The fourth proportional to 21,794.76, 32,664.24 and 9,299.88 is: 13,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.76 : 32,664.24 = 9,299.88 : x
  2. Step 2: Convert to fraction form
    21,794.76/32,664.24 = 9,299.88/x
  3. Step 3: Cross multiply
    21,794.76x = 32,664.24 × 9,299.88
  4. Step 4: Simplify right side
    21,794.76x = 303,773,512.29
  5. Step 5: Solve for x
    x = 303,773,512.29/21,794.76
  6. Step 6: Final answer
    x = 13,937.91

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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.