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Finding the Fourth Proportional to 6,492.60, 8,959.97 and 3,839.04

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Solution

The fourth proportional to 6,492.60, 8,959.97 and 3,839.04 is: 5,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.60 : 8,959.97 = 3,839.04 : x
  2. Step 2: Convert to fraction form
    6,492.60/8,959.97 = 3,839.04/x
  3. Step 3: Cross multiply
    6,492.60x = 8,959.97 × 3,839.04
  4. Step 4: Simplify right side
    6,492.60x = 34,397,692.83
  5. Step 5: Solve for x
    x = 34,397,692.83/6,492.60
  6. Step 6: Final answer
    x = 5,297.98

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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.