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Finding the Fourth Proportional to 62,491.44, 86,238.12 and 34,197.12

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Solution

The fourth proportional to 62,491.44, 86,238.12 and 34,197.12 is: 47,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,491.44 : 86,238.12 = 34,197.12 : x
  2. Step 2: Convert to fraction form
    62,491.44/86,238.12 = 34,197.12/x
  3. Step 3: Cross multiply
    62,491.44x = 86,238.12 × 34,197.12
  4. Step 4: Simplify right side
    62,491.44x = 2,949,095,338.21
  5. Step 5: Solve for x
    x = 2,949,095,338.21/62,491.44
  6. Step 6: Final answer
    x = 47,191.99

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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.