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Finding the Fourth Proportional to 5,779.85, 8,664.19 and 2,662.00

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Solution

The fourth proportional to 5,779.85, 8,664.19 and 2,662.00 is: 3,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.85 : 8,664.19 = 2,662.00 : x
  2. Step 2: Convert to fraction form
    5,779.85/8,664.19 = 2,662.00/x
  3. Step 3: Cross multiply
    5,779.85x = 8,664.19 × 2,662.00
  4. Step 4: Simplify right side
    5,779.85x = 23,064,045.46
  5. Step 5: Solve for x
    x = 23,064,045.46/5,779.85
  6. Step 6: Final answer
    x = 3,990.43

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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.