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Finding the Fourth Proportional to 68,654.76, 94,745.88 and 38,441.34

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Solution

The fourth proportional to 68,654.76, 94,745.88 and 38,441.34 is: 53,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654.76 : 94,745.88 = 38,441.34 : x
  2. Step 2: Convert to fraction form
    68,654.76/94,745.88 = 38,441.34/x
  3. Step 3: Cross multiply
    68,654.76x = 94,745.88 × 38,441.34
  4. Step 4: Simplify right side
    68,654.76x = 3,642,158,586.68
  5. Step 5: Solve for x
    x = 3,642,158,586.68/68,654.76
  6. Step 6: Final answer
    x = 53,050.34

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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.