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Finding the Fourth Proportional to 8,492.22, 12,734.01 and 3,296.70

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Solution

The fourth proportional to 8,492.22, 12,734.01 and 3,296.70 is: 4,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.22 : 12,734.01 = 3,296.70 : x
  2. Step 2: Convert to fraction form
    8,492.22/12,734.01 = 3,296.70/x
  3. Step 3: Cross multiply
    8,492.22x = 12,734.01 × 3,296.70
  4. Step 4: Simplify right side
    8,492.22x = 41,980,210.77
  5. Step 5: Solve for x
    x = 41,980,210.77/8,492.22
  6. Step 6: Final answer
    x = 4,943.37

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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.