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Finding the Fourth Proportional to 17,953.14, 24,761.19 and 15,591.18

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Solution

The fourth proportional to 17,953.14, 24,761.19 and 15,591.18 is: 21,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.14 : 24,761.19 = 15,591.18 : x
  2. Step 2: Convert to fraction form
    17,953.14/24,761.19 = 15,591.18/x
  3. Step 3: Cross multiply
    17,953.14x = 24,761.19 × 15,591.18
  4. Step 4: Simplify right side
    17,953.14x = 386,056,321.63
  5. Step 5: Solve for x
    x = 386,056,321.63/17,953.14
  6. Step 6: Final answer
    x = 21,503.55

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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.