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Finding the Fourth Proportional to 12,358.35, 17,045.17 and 8,950.39

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Solution

The fourth proportional to 12,358.35, 17,045.17 and 8,950.39 is: 12,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.35 : 17,045.17 = 8,950.39 : x
  2. Step 2: Convert to fraction form
    12,358.35/17,045.17 = 8,950.39/x
  3. Step 3: Cross multiply
    12,358.35x = 17,045.17 × 8,950.39
  4. Step 4: Simplify right side
    12,358.35x = 152,560,919.12
  5. Step 5: Solve for x
    x = 152,560,919.12/12,358.35
  6. Step 6: Final answer
    x = 12,344.76

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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.