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Finding the Fourth Proportional to 6,255.70, 8,628.78 and 4,014.02

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Solution

The fourth proportional to 6,255.70, 8,628.78 and 4,014.02 is: 5,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.70 : 8,628.78 = 4,014.02 : x
  2. Step 2: Convert to fraction form
    6,255.70/8,628.78 = 4,014.02/x
  3. Step 3: Cross multiply
    6,255.70x = 8,628.78 × 4,014.02
  4. Step 4: Simplify right side
    6,255.70x = 34,636,095.50
  5. Step 5: Solve for x
    x = 34,636,095.50/6,255.70
  6. Step 6: Final answer
    x = 5,536.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.