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Finding the Fourth Proportional to 53,813.94, 80,691.60 and 34,836.02

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Solution

The fourth proportional to 53,813.94, 80,691.60 and 34,836.02 is: 52,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.94 : 80,691.60 = 34,836.02 : x
  2. Step 2: Convert to fraction form
    53,813.94/80,691.60 = 34,836.02/x
  3. Step 3: Cross multiply
    53,813.94x = 80,691.60 × 34,836.02
  4. Step 4: Simplify right side
    53,813.94x = 2,810,974,191.43
  5. Step 5: Solve for x
    x = 2,810,974,191.43/53,813.94
  6. Step 6: Final answer
    x = 52,235.06

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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.