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Finding the Fourth Proportional to 28,369.25, 42,550.04 and 11,726.97

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Solution

The fourth proportional to 28,369.25, 42,550.04 and 11,726.97 is: 17,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.25 : 42,550.04 = 11,726.97 : x
  2. Step 2: Convert to fraction form
    28,369.25/42,550.04 = 11,726.97/x
  3. Step 3: Cross multiply
    28,369.25x = 42,550.04 × 11,726.97
  4. Step 4: Simplify right side
    28,369.25x = 498,983,246.12
  5. Step 5: Solve for x
    x = 498,983,246.12/28,369.25
  6. Step 6: Final answer
    x = 17,588.88

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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.