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Finding the Fourth Proportional to 48,289.93, 72,430.03 and 13,234.75

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Solution

The fourth proportional to 48,289.93, 72,430.03 and 13,234.75 is: 19,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.93 : 72,430.03 = 13,234.75 : x
  2. Step 2: Convert to fraction form
    48,289.93/72,430.03 = 13,234.75/x
  3. Step 3: Cross multiply
    48,289.93x = 72,430.03 × 13,234.75
  4. Step 4: Simplify right side
    48,289.93x = 958,593,339.54
  5. Step 5: Solve for x
    x = 958,593,339.54/48,289.93
  6. Step 6: Final answer
    x = 19,850.79

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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.