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Finding the Fourth Proportional to 17,572.08, 26,361.32 and 8,338

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Solution

The fourth proportional to 17,572.08, 26,361.32 and 8,338 is: 12,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.08 : 26,361.32 = 8,338 : x
  2. Step 2: Convert to fraction form
    17,572.08/26,361.32 = 8,338/x
  3. Step 3: Cross multiply
    17,572.08x = 26,361.32 × 8,338
  4. Step 4: Simplify right side
    17,572.08x = 219,800,686.16
  5. Step 5: Solve for x
    x = 219,800,686.16/17,572.08
  6. Step 6: Final answer
    x = 12,508.52

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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.