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Finding the Fourth Proportional to 8,671.22, 11,966.24 and 4,692.24

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Solution

The fourth proportional to 8,671.22, 11,966.24 and 4,692.24 is: 6,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.22 : 11,966.24 = 4,692.24 : x
  2. Step 2: Convert to fraction form
    8,671.22/11,966.24 = 4,692.24/x
  3. Step 3: Cross multiply
    8,671.22x = 11,966.24 × 4,692.24
  4. Step 4: Simplify right side
    8,671.22x = 56,148,469.98
  5. Step 5: Solve for x
    x = 56,148,469.98/8,671.22
  6. Step 6: Final answer
    x = 6,475.27

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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.