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Finding the Fourth Proportional to 36,163.01, 49,905.02 and 20,248.13

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Solution

The fourth proportional to 36,163.01, 49,905.02 and 20,248.13 is: 27,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.01 : 49,905.02 = 20,248.13 : x
  2. Step 2: Convert to fraction form
    36,163.01/49,905.02 = 20,248.13/x
  3. Step 3: Cross multiply
    36,163.01x = 49,905.02 × 20,248.13
  4. Step 4: Simplify right side
    36,163.01x = 1,010,483,133.71
  5. Step 5: Solve for x
    x = 1,010,483,133.71/36,163.01
  6. Step 6: Final answer
    x = 27,942.45

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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.