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Finding the Fourth Proportional to 62,950.74, 94,426.12 and 20,819.51

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Solution

The fourth proportional to 62,950.74, 94,426.12 and 20,819.51 is: 31,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,950.74 : 94,426.12 = 20,819.51 : x
  2. Step 2: Convert to fraction form
    62,950.74/94,426.12 = 20,819.51/x
  3. Step 3: Cross multiply
    62,950.74x = 94,426.12 × 20,819.51
  4. Step 4: Simplify right side
    62,950.74x = 1,965,905,379.52
  5. Step 5: Solve for x
    x = 1,965,905,379.52/62,950.74
  6. Step 6: Final answer
    x = 31,229.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.