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Finding the Fourth Proportional to 57,359.62, 86,043.22 and 15,239.12

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Solution

The fourth proportional to 57,359.62, 86,043.22 and 15,239.12 is: 22,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,359.62 : 86,043.22 = 15,239.12 : x
  2. Step 2: Convert to fraction form
    57,359.62/86,043.22 = 15,239.12/x
  3. Step 3: Cross multiply
    57,359.62x = 86,043.22 × 15,239.12
  4. Step 4: Simplify right side
    57,359.62x = 1,311,222,954.77
  5. Step 5: Solve for x
    x = 1,311,222,954.77/57,359.62
  6. Step 6: Final answer
    x = 22,859.69

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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.