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Finding the Fourth Proportional to 4,787.50, 6,606.75 and 2,692.30

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Solution

The fourth proportional to 4,787.50, 6,606.75 and 2,692.30 is: 3,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.50 : 6,606.75 = 2,692.30 : x
  2. Step 2: Convert to fraction form
    4,787.50/6,606.75 = 2,692.30/x
  3. Step 3: Cross multiply
    4,787.50x = 6,606.75 × 2,692.30
  4. Step 4: Simplify right side
    4,787.50x = 17,787,353.03
  5. Step 5: Solve for x
    x = 17,787,353.03/4,787.50
  6. Step 6: Final answer
    x = 3,715.37

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1.5x scale

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.