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Finding the Fourth Proportional to 50,647.77, 69,892.97 and 27,986.28

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Solution

The fourth proportional to 50,647.77, 69,892.97 and 27,986.28 is: 38,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.77 : 69,892.97 = 27,986.28 : x
  2. Step 2: Convert to fraction form
    50,647.77/69,892.97 = 27,986.28/x
  3. Step 3: Cross multiply
    50,647.77x = 69,892.97 × 27,986.28
  4. Step 4: Simplify right side
    50,647.77x = 1,956,044,088.52
  5. Step 5: Solve for x
    x = 1,956,044,088.52/50,647.77
  6. Step 6: Final answer
    x = 38,620.54

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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.