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Finding the Fourth Proportional to 8,950.47, 12,351.64 and 5,224.47

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Solution

The fourth proportional to 8,950.47, 12,351.64 and 5,224.47 is: 7,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.47 : 12,351.64 = 5,224.47 : x
  2. Step 2: Convert to fraction form
    8,950.47/12,351.64 = 5,224.47/x
  3. Step 3: Cross multiply
    8,950.47x = 12,351.64 × 5,224.47
  4. Step 4: Simplify right side
    8,950.47x = 64,530,772.63
  5. Step 5: Solve for x
    x = 64,530,772.63/8,950.47
  6. Step 6: Final answer
    x = 7,209.76

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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.