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Finding the Fourth Proportional to 6,236.70, 8,617.62 and 4,988.08

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Solution

The fourth proportional to 6,236.70, 8,617.62 and 4,988.08 is: 6,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.70 : 8,617.62 = 4,988.08 : x
  2. Step 2: Convert to fraction form
    6,236.70/8,617.62 = 4,988.08/x
  3. Step 3: Cross multiply
    6,236.70x = 8,617.62 × 4,988.08
  4. Step 4: Simplify right side
    6,236.70x = 42,985,377.97
  5. Step 5: Solve for x
    x = 42,985,377.97/6,236.70
  6. Step 6: Final answer
    x = 6,892.33

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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.