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Finding the Fourth Proportional to 18,577, 27,863.26 and 4,726.12

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Solution

The fourth proportional to 18,577, 27,863.26 and 4,726.12 is: 7,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577 : 27,863.26 = 4,726.12 : x
  2. Step 2: Convert to fraction form
    18,577/27,863.26 = 4,726.12/x
  3. Step 3: Cross multiply
    18,577x = 27,863.26 × 4,726.12
  4. Step 4: Simplify right side
    18,577x = 131,685,110.35
  5. Step 5: Solve for x
    x = 131,685,110.35/18,577
  6. Step 6: Final answer
    x = 7,088.61

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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.