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Finding the Fourth Proportional to 26,661.12, 36,747.36 and 22,855.68

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Solution

The fourth proportional to 26,661.12, 36,747.36 and 22,855.68 is: 31,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.12 : 36,747.36 = 22,855.68 : x
  2. Step 2: Convert to fraction form
    26,661.12/36,747.36 = 22,855.68/x
  3. Step 3: Cross multiply
    26,661.12x = 36,747.36 × 22,855.68
  4. Step 4: Simplify right side
    26,661.12x = 839,885,901.00
  5. Step 5: Solve for x
    x = 839,885,901.00/26,661.12
  6. Step 6: Final answer
    x = 31,502.27

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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.