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Finding the Fourth Proportional to 13,441.59, 18,550.08 and 7,473.38

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Solution

The fourth proportional to 13,441.59, 18,550.08 and 7,473.38 is: 10,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.59 : 18,550.08 = 7,473.38 : x
  2. Step 2: Convert to fraction form
    13,441.59/18,550.08 = 7,473.38/x
  3. Step 3: Cross multiply
    13,441.59x = 18,550.08 × 7,473.38
  4. Step 4: Simplify right side
    13,441.59x = 138,631,704.12
  5. Step 5: Solve for x
    x = 138,631,704.12/13,441.59
  6. Step 6: Final answer
    x = 10,313.64

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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.