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Finding the Fourth Proportional to 9,044.16, 13,555.08 and 4,112.40

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Solution

The fourth proportional to 9,044.16, 13,555.08 and 4,112.40 is: 6,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.16 : 13,555.08 = 4,112.40 : x
  2. Step 2: Convert to fraction form
    9,044.16/13,555.08 = 4,112.40/x
  3. Step 3: Cross multiply
    9,044.16x = 13,555.08 × 4,112.40
  4. Step 4: Simplify right side
    9,044.16x = 55,743,910.99
  5. Step 5: Solve for x
    x = 55,743,910.99/9,044.16
  6. Step 6: Final answer
    x = 6,163.53

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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.