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Finding the Fourth Proportional to 68,228.68, 94,162.48 and 38,018.92

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Solution

The fourth proportional to 68,228.68, 94,162.48 and 38,018.92 is: 52,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.68 : 94,162.48 = 38,018.92 : x
  2. Step 2: Convert to fraction form
    68,228.68/94,162.48 = 38,018.92/x
  3. Step 3: Cross multiply
    68,228.68x = 94,162.48 × 38,018.92
  4. Step 4: Simplify right side
    68,228.68x = 3,579,955,794.12
  5. Step 5: Solve for x
    x = 3,579,955,794.12/68,228.68
  6. Step 6: Final answer
    x = 52,469.96

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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.