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Finding the Fourth Proportional to 17,950.63, 24,770.09 and 10,399.39

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Solution

The fourth proportional to 17,950.63, 24,770.09 and 10,399.39 is: 14,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.63 : 24,770.09 = 10,399.39 : x
  2. Step 2: Convert to fraction form
    17,950.63/24,770.09 = 10,399.39/x
  3. Step 3: Cross multiply
    17,950.63x = 24,770.09 × 10,399.39
  4. Step 4: Simplify right side
    17,950.63x = 257,593,826.25
  5. Step 5: Solve for x
    x = 257,593,826.25/17,950.63
  6. Step 6: Final answer
    x = 14,350.13

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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.