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Finding the Fourth Proportional to 13,356.48, 20,039.48 and 5,960.28

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Solution

The fourth proportional to 13,356.48, 20,039.48 and 5,960.28 is: 8,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.48 : 20,039.48 = 5,960.28 : x
  2. Step 2: Convert to fraction form
    13,356.48/20,039.48 = 5,960.28/x
  3. Step 3: Cross multiply
    13,356.48x = 20,039.48 × 5,960.28
  4. Step 4: Simplify right side
    13,356.48x = 119,440,911.85
  5. Step 5: Solve for x
    x = 119,440,911.85/13,356.48
  6. Step 6: Final answer
    x = 8,942.54

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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.