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Finding the Fourth Proportional to 8,600.55, 12,902.30 and 2,677.00

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Solution

The fourth proportional to 8,600.55, 12,902.30 and 2,677.00 is: 4,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.55 : 12,902.30 = 2,677.00 : x
  2. Step 2: Convert to fraction form
    8,600.55/12,902.30 = 2,677.00/x
  3. Step 3: Cross multiply
    8,600.55x = 12,902.30 × 2,677.00
  4. Step 4: Simplify right side
    8,600.55x = 34,539,489.90
  5. Step 5: Solve for x
    x = 34,539,489.90/8,600.55
  6. Step 6: Final answer
    x = 4,015.96

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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.