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Finding the Fourth Proportional to 67,685.44, 93,408.96 and 37,877.44

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Solution

The fourth proportional to 67,685.44, 93,408.96 and 37,877.44 is: 52,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,685.44 : 93,408.96 = 37,877.44 : x
  2. Step 2: Convert to fraction form
    67,685.44/93,408.96 = 37,877.44/x
  3. Step 3: Cross multiply
    67,685.44x = 93,408.96 × 37,877.44
  4. Step 4: Simplify right side
    67,685.44x = 3,538,092,277.86
  5. Step 5: Solve for x
    x = 3,538,092,277.86/67,685.44
  6. Step 6: Final answer
    x = 52,272.58

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1.5x scale

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.