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Finding the Fourth Proportional to 34,337.20, 51,481.20 and 13,259.20

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Solution

The fourth proportional to 34,337.20, 51,481.20 and 13,259.20 is: 19,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,337.20 : 51,481.20 = 13,259.20 : x
  2. Step 2: Convert to fraction form
    34,337.20/51,481.20 = 13,259.20/x
  3. Step 3: Cross multiply
    34,337.20x = 51,481.20 × 13,259.20
  4. Step 4: Simplify right side
    34,337.20x = 682,599,527.04
  5. Step 5: Solve for x
    x = 682,599,527.04/34,337.20
  6. Step 6: Final answer
    x = 19,879.30

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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.