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Finding the Fourth Proportional to 8,446.15, 12,669.22 and 2,602.76

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Solution

The fourth proportional to 8,446.15, 12,669.22 and 2,602.76 is: 3,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.15 : 12,669.22 = 2,602.76 : x
  2. Step 2: Convert to fraction form
    8,446.15/12,669.22 = 2,602.76/x
  3. Step 3: Cross multiply
    8,446.15x = 12,669.22 × 2,602.76
  4. Step 4: Simplify right side
    8,446.15x = 32,974,918.25
  5. Step 5: Solve for x
    x = 32,974,918.25/8,446.15
  6. Step 6: Final answer
    x = 3,904.14

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Similar ratio
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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.