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Finding the Fourth Proportional to 8,324.97, 12,492.06 and 3,394.22

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Solution

The fourth proportional to 8,324.97, 12,492.06 and 3,394.22 is: 5,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.97 : 12,492.06 = 3,394.22 : x
  2. Step 2: Convert to fraction form
    8,324.97/12,492.06 = 3,394.22/x
  3. Step 3: Cross multiply
    8,324.97x = 12,492.06 × 3,394.22
  4. Step 4: Simplify right side
    8,324.97x = 42,400,799.89
  5. Step 5: Solve for x
    x = 42,400,799.89/8,324.97
  6. Step 6: Final answer
    x = 5,093.21

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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.