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Finding the Fourth Proportional to 5,661.70, 8,492.55 and 1,766.11

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Solution

The fourth proportional to 5,661.70, 8,492.55 and 1,766.11 is: 2,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.70 : 8,492.55 = 1,766.11 : x
  2. Step 2: Convert to fraction form
    5,661.70/8,492.55 = 1,766.11/x
  3. Step 3: Cross multiply
    5,661.70x = 8,492.55 × 1,766.11
  4. Step 4: Simplify right side
    5,661.70x = 14,998,777.48
  5. Step 5: Solve for x
    x = 14,998,777.48/5,661.70
  6. Step 6: Final answer
    x = 2,649.17

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Similar ratio
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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.