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Finding the Fourth Proportional to 3,492.18, 4,819.68 and 3,196.92

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Solution

The fourth proportional to 3,492.18, 4,819.68 and 3,196.92 is: 4,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.18 : 4,819.68 = 3,196.92 : x
  2. Step 2: Convert to fraction form
    3,492.18/4,819.68 = 3,196.92/x
  3. Step 3: Cross multiply
    3,492.18x = 4,819.68 × 3,196.92
  4. Step 4: Simplify right side
    3,492.18x = 15,408,131.39
  5. Step 5: Solve for x
    x = 15,408,131.39/3,492.18
  6. Step 6: Final answer
    x = 4,412.18

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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.