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Finding the Fourth Proportional to 6,388.98, 8,818.02 and 3,594.48

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Solution

The fourth proportional to 6,388.98, 8,818.02 and 3,594.48 is: 4,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.98 : 8,818.02 = 3,594.48 : x
  2. Step 2: Convert to fraction form
    6,388.98/8,818.02 = 3,594.48/x
  3. Step 3: Cross multiply
    6,388.98x = 8,818.02 × 3,594.48
  4. Step 4: Simplify right side
    6,388.98x = 31,696,196.53
  5. Step 5: Solve for x
    x = 31,696,196.53/6,388.98
  6. Step 6: Final answer
    x = 4,961.07

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