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Finding the Fourth Proportional to 4,692.32, 6,478.32 and 3,571.28

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Solution

The fourth proportional to 4,692.32, 6,478.32 and 3,571.28 is: 4,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.32 : 6,478.32 = 3,571.28 : x
  2. Step 2: Convert to fraction form
    4,692.32/6,478.32 = 3,571.28/x
  3. Step 3: Cross multiply
    4,692.32x = 6,478.32 × 3,571.28
  4. Step 4: Simplify right side
    4,692.32x = 23,135,894.65
  5. Step 5: Solve for x
    x = 23,135,894.65/4,692.32
  6. Step 6: Final answer
    x = 4,930.59

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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.