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Finding the Fourth Proportional to 61,873.68, 92,805.72 and 21,896.68

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Solution

The fourth proportional to 61,873.68, 92,805.72 and 21,896.68 is: 32,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.68 : 92,805.72 = 21,896.68 : x
  2. Step 2: Convert to fraction form
    61,873.68/92,805.72 = 21,896.68/x
  3. Step 3: Cross multiply
    61,873.68x = 92,805.72 × 21,896.68
  4. Step 4: Simplify right side
    61,873.68x = 2,032,137,153.01
  5. Step 5: Solve for x
    x = 2,032,137,153.01/61,873.68
  6. Step 6: Final answer
    x = 32,843.32

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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.