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Finding the Fourth Proportional to 60,917.84, 91,375.80 and 19,364.24

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Solution

The fourth proportional to 60,917.84, 91,375.80 and 19,364.24 is: 29,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,917.84 : 91,375.80 = 19,364.24 : x
  2. Step 2: Convert to fraction form
    60,917.84/91,375.80 = 19,364.24/x
  3. Step 3: Cross multiply
    60,917.84x = 91,375.80 × 19,364.24
  4. Step 4: Simplify right side
    60,917.84x = 1,769,422,921.39
  5. Step 5: Solve for x
    x = 1,769,422,921.39/60,917.84
  6. Step 6: Final answer
    x = 29,046.05

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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.