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Finding the Fourth Proportional to 13,048.62, 18,004.05 and 8,334.42

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Solution

The fourth proportional to 13,048.62, 18,004.05 and 8,334.42 is: 11,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.62 : 18,004.05 = 8,334.42 : x
  2. Step 2: Convert to fraction form
    13,048.62/18,004.05 = 8,334.42/x
  3. Step 3: Cross multiply
    13,048.62x = 18,004.05 × 8,334.42
  4. Step 4: Simplify right side
    13,048.62x = 150,053,314.40
  5. Step 5: Solve for x
    x = 150,053,314.40/13,048.62
  6. Step 6: Final answer
    x = 11,499.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.