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Finding the Fourth Proportional to 36,159.31, 54,238.97 and 9,863.98

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Solution

The fourth proportional to 36,159.31, 54,238.97 and 9,863.98 is: 14,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159.31 : 54,238.97 = 9,863.98 : x
  2. Step 2: Convert to fraction form
    36,159.31/54,238.97 = 9,863.98/x
  3. Step 3: Cross multiply
    36,159.31x = 54,238.97 × 9,863.98
  4. Step 4: Simplify right side
    36,159.31x = 535,011,948.88
  5. Step 5: Solve for x
    x = 535,011,948.88/36,159.31
  6. Step 6: Final answer
    x = 14,795.97

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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.