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Finding the Fourth Proportional to 9,004.54, 12,441.49 and 6,481.66

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Solution

The fourth proportional to 9,004.54, 12,441.49 and 6,481.66 is: 8,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.54 : 12,441.49 = 6,481.66 : x
  2. Step 2: Convert to fraction form
    9,004.54/12,441.49 = 6,481.66/x
  3. Step 3: Cross multiply
    9,004.54x = 12,441.49 × 6,481.66
  4. Step 4: Simplify right side
    9,004.54x = 80,641,508.07
  5. Step 5: Solve for x
    x = 80,641,508.07/9,004.54
  6. Step 6: Final answer
    x = 8,955.65

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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.