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Finding the Fourth Proportional to 67,297.84, 92,198.37 and 64,775.48

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Solution

The fourth proportional to 67,297.84, 92,198.37 and 64,775.48 is: 88,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.84 : 92,198.37 = 64,775.48 : x
  2. Step 2: Convert to fraction form
    67,297.84/92,198.37 = 64,775.48/x
  3. Step 3: Cross multiply
    67,297.84x = 92,198.37 × 64,775.48
  4. Step 4: Simplify right side
    67,297.84x = 5,972,193,671.97
  5. Step 5: Solve for x
    x = 5,972,193,671.97/67,297.84
  6. Step 6: Final answer
    x = 88,742.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.