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Finding the Fourth Proportional to 8,996.94, 13,492.80 and 3,449.88

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Solution

The fourth proportional to 8,996.94, 13,492.80 and 3,449.88 is: 5,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.94 : 13,492.80 = 3,449.88 : x
  2. Step 2: Convert to fraction form
    8,996.94/13,492.80 = 3,449.88/x
  3. Step 3: Cross multiply
    8,996.94x = 13,492.80 × 3,449.88
  4. Step 4: Simplify right side
    8,996.94x = 46,548,540.86
  5. Step 5: Solve for x
    x = 46,548,540.86/8,996.94
  6. Step 6: Final answer
    x = 5,173.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.