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Finding the Fourth Proportional to 67,984.88, 93,818.50 and 37,770.26

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Solution

The fourth proportional to 67,984.88, 93,818.50 and 37,770.26 is: 52,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984.88 : 93,818.50 = 37,770.26 : x
  2. Step 2: Convert to fraction form
    67,984.88/93,818.50 = 37,770.26/x
  3. Step 3: Cross multiply
    67,984.88x = 93,818.50 × 37,770.26
  4. Step 4: Simplify right side
    67,984.88x = 3,543,549,137.81
  5. Step 5: Solve for x
    x = 3,543,549,137.81/67,984.88
  6. Step 6: Final answer
    x = 52,122.61

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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.