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Finding the Fourth Proportional to 28,114.57, 42,174.03 and 9,394.67

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Solution

The fourth proportional to 28,114.57, 42,174.03 and 9,394.67 is: 14,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.57 : 42,174.03 = 9,394.67 : x
  2. Step 2: Convert to fraction form
    28,114.57/42,174.03 = 9,394.67/x
  3. Step 3: Cross multiply
    28,114.57x = 42,174.03 × 9,394.67
  4. Step 4: Simplify right side
    28,114.57x = 396,210,994.73
  5. Step 5: Solve for x
    x = 396,210,994.73/28,114.57
  6. Step 6: Final answer
    x = 14,092.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.