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Finding the Fourth Proportional to 5,935.64, 8,900.17 and 2,428.11

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Solution

The fourth proportional to 5,935.64, 8,900.17 and 2,428.11 is: 3,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.64 : 8,900.17 = 2,428.11 : x
  2. Step 2: Convert to fraction form
    5,935.64/8,900.17 = 2,428.11/x
  3. Step 3: Cross multiply
    5,935.64x = 8,900.17 × 2,428.11
  4. Step 4: Simplify right side
    5,935.64x = 21,610,541.21
  5. Step 5: Solve for x
    x = 21,610,541.21/5,935.64
  6. Step 6: Final answer
    x = 3,640.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.