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Finding the Fourth Proportional to 5,787.54, 8,681.34 and 1,892.28

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Solution

The fourth proportional to 5,787.54, 8,681.34 and 1,892.28 is: 2,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.54 : 8,681.34 = 1,892.28 : x
  2. Step 2: Convert to fraction form
    5,787.54/8,681.34 = 1,892.28/x
  3. Step 3: Cross multiply
    5,787.54x = 8,681.34 × 1,892.28
  4. Step 4: Simplify right side
    5,787.54x = 16,427,526.06
  5. Step 5: Solve for x
    x = 16,427,526.06/5,787.54
  6. Step 6: Final answer
    x = 2,838.43

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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.