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Finding the Fourth Proportional to 66,737.78, 100,036.92 and 22,328

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Solution

The fourth proportional to 66,737.78, 100,036.92 and 22,328 is: 33,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737.78 : 100,036.92 = 22,328 : x
  2. Step 2: Convert to fraction form
    66,737.78/100,036.92 = 22,328/x
  3. Step 3: Cross multiply
    66,737.78x = 100,036.92 × 22,328
  4. Step 4: Simplify right side
    66,737.78x = 2,233,624,349.76
  5. Step 5: Solve for x
    x = 2,233,624,349.76/66,737.78
  6. Step 6: Final answer
    x = 33,468.66

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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.