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Finding the Fourth Proportional to 67,286.25, 92,855.03 and 39,008.34

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Solution

The fourth proportional to 67,286.25, 92,855.03 and 39,008.34 is: 53,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.25 : 92,855.03 = 39,008.34 : x
  2. Step 2: Convert to fraction form
    67,286.25/92,855.03 = 39,008.34/x
  3. Step 3: Cross multiply
    67,286.25x = 92,855.03 × 39,008.34
  4. Step 4: Simplify right side
    67,286.25x = 3,622,120,385.91
  5. Step 5: Solve for x
    x = 3,622,120,385.91/67,286.25
  6. Step 6: Final answer
    x = 53,831.51

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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.