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Finding the Fourth Proportional to 55,487.28, 83,227.28 and 23,896.07

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Solution

The fourth proportional to 55,487.28, 83,227.28 and 23,896.07 is: 35,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,487.28 : 83,227.28 = 23,896.07 : x
  2. Step 2: Convert to fraction form
    55,487.28/83,227.28 = 23,896.07/x
  3. Step 3: Cross multiply
    55,487.28x = 83,227.28 × 23,896.07
  4. Step 4: Simplify right side
    55,487.28x = 1,988,804,373.17
  5. Step 5: Solve for x
    x = 1,988,804,373.17/55,487.28
  6. Step 6: Final answer
    x = 35,842.53

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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.