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Finding the Fourth Proportional to 67,909.96, 93,711.30 and 37,693.84

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Solution

The fourth proportional to 67,909.96, 93,711.30 and 37,693.84 is: 52,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909.96 : 93,711.30 = 37,693.84 : x
  2. Step 2: Convert to fraction form
    67,909.96/93,711.30 = 37,693.84/x
  3. Step 3: Cross multiply
    67,909.96x = 93,711.30 × 37,693.84
  4. Step 4: Simplify right side
    67,909.96x = 3,532,338,748.39
  5. Step 5: Solve for x
    x = 3,532,338,748.39/67,909.96
  6. Step 6: Final answer
    x = 52,015.03

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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.