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Finding the Fourth Proportional to 48,615.67, 72,923.53 and 11,679.67

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Solution

The fourth proportional to 48,615.67, 72,923.53 and 11,679.67 is: 17,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.67 : 72,923.53 = 11,679.67 : x
  2. Step 2: Convert to fraction form
    48,615.67/72,923.53 = 11,679.67/x
  3. Step 3: Cross multiply
    48,615.67x = 72,923.53 × 11,679.67
  4. Step 4: Simplify right side
    48,615.67x = 851,722,765.64
  5. Step 5: Solve for x
    x = 851,722,765.64/48,615.67
  6. Step 6: Final answer
    x = 17,519.51

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1.5x scale

Why These Related Problems?

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