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Finding the Fourth Proportional to 68,037.30, 93,893.04 and 37,821.47

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Solution

The fourth proportional to 68,037.30, 93,893.04 and 37,821.47 is: 52,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037.30 : 93,893.04 = 37,821.47 : x
  2. Step 2: Convert to fraction form
    68,037.30/93,893.04 = 37,821.47/x
  3. Step 3: Cross multiply
    68,037.30x = 93,893.04 × 37,821.47
  4. Step 4: Simplify right side
    68,037.30x = 3,551,172,326.10
  5. Step 5: Solve for x
    x = 3,551,172,326.10/68,037.30
  6. Step 6: Final answer
    x = 52,194.49

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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.