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Finding the Fourth Proportional to 17,841.12, 26,761.62 and 5,361.12

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Solution

The fourth proportional to 17,841.12, 26,761.62 and 5,361.12 is: 8,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,841.12 : 26,761.62 = 5,361.12 : x
  2. Step 2: Convert to fraction form
    17,841.12/26,761.62 = 5,361.12/x
  3. Step 3: Cross multiply
    17,841.12x = 26,761.62 × 5,361.12
  4. Step 4: Simplify right side
    17,841.12x = 143,472,256.21
  5. Step 5: Solve for x
    x = 143,472,256.21/17,841.12
  6. Step 6: Final answer
    x = 8,041.66

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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.