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Finding the Fourth Proportional to 26,699, 36,843.18 and 14,761.64

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Solution

The fourth proportional to 26,699, 36,843.18 and 14,761.64 is: 20,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699 : 36,843.18 = 14,761.64 : x
  2. Step 2: Convert to fraction form
    26,699/36,843.18 = 14,761.64/x
  3. Step 3: Cross multiply
    26,699x = 36,843.18 × 14,761.64
  4. Step 4: Simplify right side
    26,699x = 543,865,759.62
  5. Step 5: Solve for x
    x = 543,865,759.62/26,699
  6. Step 6: Final answer
    x = 20,370.27

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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.