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Finding the Fourth Proportional to 8,549.04, 12,801.78 and 7,236.84

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Solution

The fourth proportional to 8,549.04, 12,801.78 and 7,236.84 is: 10,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.04 : 12,801.78 = 7,236.84 : x
  2. Step 2: Convert to fraction form
    8,549.04/12,801.78 = 7,236.84/x
  3. Step 3: Cross multiply
    8,549.04x = 12,801.78 × 7,236.84
  4. Step 4: Simplify right side
    8,549.04x = 92,644,433.58
  5. Step 5: Solve for x
    x = 92,644,433.58/8,549.04
  6. Step 6: Final answer
    x = 10,836.82

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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.