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Finding the Fourth Proportional to 68,849.56, 95,013.30 and 38,641.42

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Solution

The fourth proportional to 68,849.56, 95,013.30 and 38,641.42 is: 53,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.56 : 95,013.30 = 38,641.42 : x
  2. Step 2: Convert to fraction form
    68,849.56/95,013.30 = 38,641.42/x
  3. Step 3: Cross multiply
    68,849.56x = 95,013.30 × 38,641.42
  4. Step 4: Simplify right side
    68,849.56x = 3,671,448,830.89
  5. Step 5: Solve for x
    x = 3,671,448,830.89/68,849.56
  6. Step 6: Final answer
    x = 53,325.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.