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Finding the Fourth Proportional to 31,993.20, 48,004.20 and 15,346.80

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Solution

The fourth proportional to 31,993.20, 48,004.20 and 15,346.80 is: 23,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,993.20 : 48,004.20 = 15,346.80 : x
  2. Step 2: Convert to fraction form
    31,993.20/48,004.20 = 15,346.80/x
  3. Step 3: Cross multiply
    31,993.20x = 48,004.20 × 15,346.80
  4. Step 4: Simplify right side
    31,993.20x = 736,710,856.56
  5. Step 5: Solve for x
    x = 736,710,856.56/31,993.20
  6. Step 6: Final answer
    x = 23,027.11

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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.