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Finding the Fourth Proportional to 55,236.66, 82,865.82 and 21,950.52

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Solution

The fourth proportional to 55,236.66, 82,865.82 and 21,950.52 is: 32,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.66 : 82,865.82 = 21,950.52 : x
  2. Step 2: Convert to fraction form
    55,236.66/82,865.82 = 21,950.52/x
  3. Step 3: Cross multiply
    55,236.66x = 82,865.82 × 21,950.52
  4. Step 4: Simplify right side
    55,236.66x = 1,818,947,839.23
  5. Step 5: Solve for x
    x = 1,818,947,839.23/55,236.66
  6. Step 6: Final answer
    x = 32,930.08

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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.