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Finding the Fourth Proportional to 5,554.82, 7,671.39 and 4,805.18

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Solution

The fourth proportional to 5,554.82, 7,671.39 and 4,805.18 is: 6,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.82 : 7,671.39 = 4,805.18 : x
  2. Step 2: Convert to fraction form
    5,554.82/7,671.39 = 4,805.18/x
  3. Step 3: Cross multiply
    5,554.82x = 7,671.39 × 4,805.18
  4. Step 4: Simplify right side
    5,554.82x = 36,862,409.80
  5. Step 5: Solve for x
    x = 36,862,409.80/5,554.82
  6. Step 6: Final answer
    x = 6,636.11

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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.