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Finding the Fourth Proportional to 68,441.76, 94,446.81 and 38,226.94

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Solution

The fourth proportional to 68,441.76, 94,446.81 and 38,226.94 is: 52,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.76 : 94,446.81 = 38,226.94 : x
  2. Step 2: Convert to fraction form
    68,441.76/94,446.81 = 38,226.94/x
  3. Step 3: Cross multiply
    68,441.76x = 94,446.81 × 38,226.94
  4. Step 4: Simplify right side
    68,441.76x = 3,610,412,302.94
  5. Step 5: Solve for x
    x = 3,610,412,302.94/68,441.76
  6. Step 6: Final answer
    x = 52,751.60

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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.