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Finding the Fourth Proportional to 57,901.65, 79,888.50 and 35,241.57

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Solution

The fourth proportional to 57,901.65, 79,888.50 and 35,241.57 is: 48,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.65 : 79,888.50 = 35,241.57 : x
  2. Step 2: Convert to fraction form
    57,901.65/79,888.50 = 35,241.57/x
  3. Step 3: Cross multiply
    57,901.65x = 79,888.50 × 35,241.57
  4. Step 4: Simplify right side
    57,901.65x = 2,815,396,164.95
  5. Step 5: Solve for x
    x = 2,815,396,164.95/57,901.65
  6. Step 6: Final answer
    x = 48,623.76

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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.