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Finding the Fourth Proportional to 17,474.70, 24,109.82 and 15,790.70

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Solution

The fourth proportional to 17,474.70, 24,109.82 and 15,790.70 is: 21,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,474.70 : 24,109.82 = 15,790.70 : x
  2. Step 2: Convert to fraction form
    17,474.70/24,109.82 = 15,790.70/x
  3. Step 3: Cross multiply
    17,474.70x = 24,109.82 × 15,790.70
  4. Step 4: Simplify right side
    17,474.70x = 380,710,934.67
  5. Step 5: Solve for x
    x = 380,710,934.67/17,474.70
  6. Step 6: Final answer
    x = 21,786.41

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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.