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Finding the Fourth Proportional to 61,254.86, 91,759.26 and 27,929.08

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Solution

The fourth proportional to 61,254.86, 91,759.26 and 27,929.08 is: 41,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.86 : 91,759.26 = 27,929.08 : x
  2. Step 2: Convert to fraction form
    61,254.86/91,759.26 = 27,929.08/x
  3. Step 3: Cross multiply
    61,254.86x = 91,759.26 × 27,929.08
  4. Step 4: Simplify right side
    61,254.86x = 2,562,751,713.28
  5. Step 5: Solve for x
    x = 2,562,751,713.28/61,254.86
  6. Step 6: Final answer
    x = 41,837.52

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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.