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Finding the Fourth Proportional to 8,235.62, 12,353.77 and 2,392.23

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Solution

The fourth proportional to 8,235.62, 12,353.77 and 2,392.23 is: 3,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.62 : 12,353.77 = 2,392.23 : x
  2. Step 2: Convert to fraction form
    8,235.62/12,353.77 = 2,392.23/x
  3. Step 3: Cross multiply
    8,235.62x = 12,353.77 × 2,392.23
  4. Step 4: Simplify right side
    8,235.62x = 29,553,059.21
  5. Step 5: Solve for x
    x = 29,553,059.21/8,235.62
  6. Step 6: Final answer
    x = 3,588.44

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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.