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Finding the Fourth Proportional to 8,671.30, 11,966.37 and 4,692.48

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Solution

The fourth proportional to 8,671.30, 11,966.37 and 4,692.48 is: 6,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.30 : 11,966.37 = 4,692.48 : x
  2. Step 2: Convert to fraction form
    8,671.30/11,966.37 = 4,692.48/x
  3. Step 3: Cross multiply
    8,671.30x = 11,966.37 × 4,692.48
  4. Step 4: Simplify right side
    8,671.30x = 56,151,951.90
  5. Step 5: Solve for x
    x = 56,151,951.90/8,671.30
  6. Step 6: Final answer
    x = 6,475.61

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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.