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Finding the Fourth Proportional to 9,205.77, 13,809.12 and 2,632.94

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Solution

The fourth proportional to 9,205.77, 13,809.12 and 2,632.94 is: 3,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.77 : 13,809.12 = 2,632.94 : x
  2. Step 2: Convert to fraction form
    9,205.77/13,809.12 = 2,632.94/x
  3. Step 3: Cross multiply
    9,205.77x = 13,809.12 × 2,632.94
  4. Step 4: Simplify right side
    9,205.77x = 36,358,515.37
  5. Step 5: Solve for x
    x = 36,358,515.37/9,205.77
  6. Step 6: Final answer
    x = 3,949.54

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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.