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Finding the Fourth Proportional to 13,362.48, 20,046.96 and 4,002.48

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Solution

The fourth proportional to 13,362.48, 20,046.96 and 4,002.48 is: 6,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.48 : 20,046.96 = 4,002.48 : x
  2. Step 2: Convert to fraction form
    13,362.48/20,046.96 = 4,002.48/x
  3. Step 3: Cross multiply
    13,362.48x = 20,046.96 × 4,002.48
  4. Step 4: Simplify right side
    13,362.48x = 80,237,556.46
  5. Step 5: Solve for x
    x = 80,237,556.46/13,362.48
  6. Step 6: Final answer
    x = 6,004.69

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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.