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Finding the Fourth Proportional to 68,889.49, 95,060.93 and 38,667.88

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Solution

The fourth proportional to 68,889.49, 95,060.93 and 38,667.88 is: 53,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,889.49 : 95,060.93 = 38,667.88 : x
  2. Step 2: Convert to fraction form
    68,889.49/95,060.93 = 38,667.88/x
  3. Step 3: Cross multiply
    68,889.49x = 95,060.93 × 38,667.88
  4. Step 4: Simplify right side
    68,889.49x = 3,675,804,202.94
  5. Step 5: Solve for x
    x = 3,675,804,202.94/68,889.49
  6. Step 6: Final answer
    x = 53,357.98

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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.