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Finding the Fourth Proportional to 61,377.44, 91,994.48 and 28,059.04

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Solution

The fourth proportional to 61,377.44, 91,994.48 and 28,059.04 is: 42,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.44 : 91,994.48 = 28,059.04 : x
  2. Step 2: Convert to fraction form
    61,377.44/91,994.48 = 28,059.04/x
  3. Step 3: Cross multiply
    61,377.44x = 91,994.48 × 28,059.04
  4. Step 4: Simplify right side
    61,377.44x = 2,581,276,794.10
  5. Step 5: Solve for x
    x = 2,581,276,794.10/61,377.44
  6. Step 6: Final answer
    x = 42,055.79

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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.