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Finding the Fourth Proportional to 36,590.58, 54,891 and 11,628

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Solution

The fourth proportional to 36,590.58, 54,891 and 11,628 is: 17,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.58 : 54,891 = 11,628 : x
  2. Step 2: Convert to fraction form
    36,590.58/54,891 = 11,628/x
  3. Step 3: Cross multiply
    36,590.58x = 54,891 × 11,628
  4. Step 4: Simplify right side
    36,590.58x = 638,272,548
  5. Step 5: Solve for x
    x = 638,272,548/36,590.58
  6. Step 6: Final answer
    x = 17,443.63

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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.