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Finding the Fourth Proportional to 5,392.71, 8,082.25 and 2,428.00

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Solution

The fourth proportional to 5,392.71, 8,082.25 and 2,428.00 is: 3,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.71 : 8,082.25 = 2,428.00 : x
  2. Step 2: Convert to fraction form
    5,392.71/8,082.25 = 2,428.00/x
  3. Step 3: Cross multiply
    5,392.71x = 8,082.25 × 2,428.00
  4. Step 4: Simplify right side
    5,392.71x = 19,623,676.72
  5. Step 5: Solve for x
    x = 19,623,676.72/5,392.71
  6. Step 6: Final answer
    x = 3,638.93

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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.