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Finding the Fourth Proportional to 5,084.52, 7,018.02 and 2,989.32

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Solution

The fourth proportional to 5,084.52, 7,018.02 and 2,989.32 is: 4,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.52 : 7,018.02 = 2,989.32 : x
  2. Step 2: Convert to fraction form
    5,084.52/7,018.02 = 2,989.32/x
  3. Step 3: Cross multiply
    5,084.52x = 7,018.02 × 2,989.32
  4. Step 4: Simplify right side
    5,084.52x = 20,979,107.55
  5. Step 5: Solve for x
    x = 20,979,107.55/5,084.52
  6. Step 6: Final answer
    x = 4,126.07

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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.