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Finding the Fourth Proportional to 68,463.78, 94,479.99 and 38,249.11

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Solution

The fourth proportional to 68,463.78, 94,479.99 and 38,249.11 is: 52,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,463.78 : 94,479.99 = 38,249.11 : x
  2. Step 2: Convert to fraction form
    68,463.78/94,479.99 = 38,249.11/x
  3. Step 3: Cross multiply
    68,463.78x = 94,479.99 × 38,249.11
  4. Step 4: Simplify right side
    68,463.78x = 3,613,775,530.31
  5. Step 5: Solve for x
    x = 3,613,775,530.31/68,463.78
  6. Step 6: Final answer
    x = 52,783.76

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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.