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Finding the Fourth Proportional to 5,766.89, 8,649.54 and 2,068.58

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Solution

The fourth proportional to 5,766.89, 8,649.54 and 2,068.58 is: 3,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.89 : 8,649.54 = 2,068.58 : x
  2. Step 2: Convert to fraction form
    5,766.89/8,649.54 = 2,068.58/x
  3. Step 3: Cross multiply
    5,766.89x = 8,649.54 × 2,068.58
  4. Step 4: Simplify right side
    5,766.89x = 17,892,287.08
  5. Step 5: Solve for x
    x = 17,892,287.08/5,766.89
  6. Step 6: Final answer
    x = 3,102.59

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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.