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Finding the Fourth Proportional to 74,601, 111,901.48 and 27,857.52

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Solution

The fourth proportional to 74,601, 111,901.48 and 27,857.52 is: 41,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,601 : 111,901.48 = 27,857.52 : x
  2. Step 2: Convert to fraction form
    74,601/111,901.48 = 27,857.52/x
  3. Step 3: Cross multiply
    74,601x = 111,901.48 × 27,857.52
  4. Step 4: Simplify right side
    74,601x = 3,117,297,717.13
  5. Step 5: Solve for x
    x = 3,117,297,717.13/74,601
  6. Step 6: Final answer
    x = 41,786.27

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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.