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Finding the Fourth Proportional to 55,248.41, 82,877.96 and 21,961.01

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Solution

The fourth proportional to 55,248.41, 82,877.96 and 21,961.01 is: 32,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.41 : 82,877.96 = 21,961.01 : x
  2. Step 2: Convert to fraction form
    55,248.41/82,877.96 = 21,961.01/x
  3. Step 3: Cross multiply
    55,248.41x = 82,877.96 × 21,961.01
  4. Step 4: Simplify right side
    55,248.41x = 1,820,083,184.14
  5. Step 5: Solve for x
    x = 1,820,083,184.14/55,248.41
  6. Step 6: Final answer
    x = 32,943.63

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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.