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Finding the Fourth Proportional to 5,660.79, 8,493.96 and 2,543.00

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Solution

The fourth proportional to 5,660.79, 8,493.96 and 2,543.00 is: 3,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.79 : 8,493.96 = 2,543.00 : x
  2. Step 2: Convert to fraction form
    5,660.79/8,493.96 = 2,543.00/x
  3. Step 3: Cross multiply
    5,660.79x = 8,493.96 × 2,543.00
  4. Step 4: Simplify right side
    5,660.79x = 21,600,107.35
  5. Step 5: Solve for x
    x = 21,600,107.35/5,660.79
  6. Step 6: Final answer
    x = 3,815.74

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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.