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Finding the Fourth Proportional to 68,465.67, 94,486.28 and 38,251.59

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Solution

The fourth proportional to 68,465.67, 94,486.28 and 38,251.59 is: 52,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,465.67 : 94,486.28 = 38,251.59 : x
  2. Step 2: Convert to fraction form
    68,465.67/94,486.28 = 38,251.59/x
  3. Step 3: Cross multiply
    68,465.67x = 94,486.28 × 38,251.59
  4. Step 4: Simplify right side
    68,465.67x = 3,614,250,251.93
  5. Step 5: Solve for x
    x = 3,614,250,251.93/68,465.67
  6. Step 6: Final answer
    x = 52,789.23

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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.