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Finding the Fourth Proportional to 6,362.42, 8,778.35 and 4,124.39

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Solution

The fourth proportional to 6,362.42, 8,778.35 and 4,124.39 is: 5,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.42 : 8,778.35 = 4,124.39 : x
  2. Step 2: Convert to fraction form
    6,362.42/8,778.35 = 4,124.39/x
  3. Step 3: Cross multiply
    6,362.42x = 8,778.35 × 4,124.39
  4. Step 4: Simplify right side
    6,362.42x = 36,205,318.33
  5. Step 5: Solve for x
    x = 36,205,318.33/6,362.42
  6. Step 6: Final answer
    x = 5,690.49

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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.