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Finding the Fourth Proportional to 61,983.52, 85,537.82 and 33,689.27

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Solution

The fourth proportional to 61,983.52, 85,537.82 and 33,689.27 is: 46,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.52 : 85,537.82 = 33,689.27 : x
  2. Step 2: Convert to fraction form
    61,983.52/85,537.82 = 33,689.27/x
  3. Step 3: Cross multiply
    61,983.52x = 85,537.82 × 33,689.27
  4. Step 4: Simplify right side
    61,983.52x = 2,881,706,544.75
  5. Step 5: Solve for x
    x = 2,881,706,544.75/61,983.52
  6. Step 6: Final answer
    x = 46,491.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.