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Finding the Fourth Proportional to 22,392.36, 33,588.54 and 6,810

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Solution

The fourth proportional to 22,392.36, 33,588.54 and 6,810 is: 10,215

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.36 : 33,588.54 = 6,810 : x
  2. Step 2: Convert to fraction form
    22,392.36/33,588.54 = 6,810/x
  3. Step 3: Cross multiply
    22,392.36x = 33,588.54 × 6,810
  4. Step 4: Simplify right side
    22,392.36x = 228,737,957.40
  5. Step 5: Solve for x
    x = 228,737,957.40/22,392.36
  6. Step 6: Final answer
    x = 10,215

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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.