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Finding the Fourth Proportional to 36,163.88, 49,905.59 and 20,248.89

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Solution

The fourth proportional to 36,163.88, 49,905.59 and 20,248.89 is: 27,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.88 : 49,905.59 = 20,248.89 : x
  2. Step 2: Convert to fraction form
    36,163.88/49,905.59 = 20,248.89/x
  3. Step 3: Cross multiply
    36,163.88x = 49,905.59 × 20,248.89
  4. Step 4: Simplify right side
    36,163.88x = 1,010,532,701.05
  5. Step 5: Solve for x
    x = 1,010,532,701.05/36,163.88
  6. Step 6: Final answer
    x = 27,943.15

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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.