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Finding the Fourth Proportional to 6,492.94, 8,961.12 and 3,660.85

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Solution

The fourth proportional to 6,492.94, 8,961.12 and 3,660.85 is: 5,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.94 : 8,961.12 = 3,660.85 : x
  2. Step 2: Convert to fraction form
    6,492.94/8,961.12 = 3,660.85/x
  3. Step 3: Cross multiply
    6,492.94x = 8,961.12 × 3,660.85
  4. Step 4: Simplify right side
    6,492.94x = 32,805,316.15
  5. Step 5: Solve for x
    x = 32,805,316.15/6,492.94
  6. Step 6: Final answer
    x = 5,052.46

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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.