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Finding the Fourth Proportional to 17,741.80, 24,366.17 and 15,437.80

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Solution

The fourth proportional to 17,741.80, 24,366.17 and 15,437.80 is: 21,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.80 : 24,366.17 = 15,437.80 : x
  2. Step 2: Convert to fraction form
    17,741.80/24,366.17 = 15,437.80/x
  3. Step 3: Cross multiply
    17,741.80x = 24,366.17 × 15,437.80
  4. Step 4: Simplify right side
    17,741.80x = 376,160,059.23
  5. Step 5: Solve for x
    x = 376,160,059.23/17,741.80
  6. Step 6: Final answer
    x = 21,201.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.