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Finding the Fourth Proportional to 22,032.64, 33,046.40 and 8,890.88

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Solution

The fourth proportional to 22,032.64, 33,046.40 and 8,890.88 is: 13,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.64 : 33,046.40 = 8,890.88 : x
  2. Step 2: Convert to fraction form
    22,032.64/33,046.40 = 8,890.88/x
  3. Step 3: Cross multiply
    22,032.64x = 33,046.40 × 8,890.88
  4. Step 4: Simplify right side
    22,032.64x = 293,811,576.83
  5. Step 5: Solve for x
    x = 293,811,576.83/22,032.64
  6. Step 6: Final answer
    x = 13,335.29

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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.