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Finding the Fourth Proportional to 61,291.44, 91,852.11 and 27,929.97

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Solution

The fourth proportional to 61,291.44, 91,852.11 and 27,929.97 is: 41,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,291.44 : 91,852.11 = 27,929.97 : x
  2. Step 2: Convert to fraction form
    61,291.44/91,852.11 = 27,929.97/x
  3. Step 3: Cross multiply
    61,291.44x = 91,852.11 × 27,929.97
  4. Step 4: Simplify right side
    61,291.44x = 2,565,426,676.74
  5. Step 5: Solve for x
    x = 2,565,426,676.74/61,291.44
  6. Step 6: Final answer
    x = 41,856.20

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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.