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Finding the Fourth Proportional to 8,605.91, 12,907.20 and 2,364.33

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Solution

The fourth proportional to 8,605.91, 12,907.20 and 2,364.33 is: 3,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.91 : 12,907.20 = 2,364.33 : x
  2. Step 2: Convert to fraction form
    8,605.91/12,907.20 = 2,364.33/x
  3. Step 3: Cross multiply
    8,605.91x = 12,907.20 × 2,364.33
  4. Step 4: Simplify right side
    8,605.91x = 30,516,937.44
  5. Step 5: Solve for x
    x = 30,516,937.44/8,605.91
  6. Step 6: Final answer
    x = 3,546.04

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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.