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Finding the Fourth Proportional to 4,787.77, 6,607.43 and 2,692.03

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Solution

The fourth proportional to 4,787.77, 6,607.43 and 2,692.03 is: 3,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.77 : 6,607.43 = 2,692.03 : x
  2. Step 2: Convert to fraction form
    4,787.77/6,607.43 = 2,692.03/x
  3. Step 3: Cross multiply
    4,787.77x = 6,607.43 × 2,692.03
  4. Step 4: Simplify right side
    4,787.77x = 17,787,399.78
  5. Step 5: Solve for x
    x = 17,787,399.78/4,787.77
  6. Step 6: Final answer
    x = 3,715.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.