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Finding the Fourth Proportional to 60,802.56, 91,217.84 and 19,249.56

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Solution

The fourth proportional to 60,802.56, 91,217.84 and 19,249.56 is: 28,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,802.56 : 91,217.84 = 19,249.56 : x
  2. Step 2: Convert to fraction form
    60,802.56/91,217.84 = 19,249.56/x
  3. Step 3: Cross multiply
    60,802.56x = 91,217.84 × 19,249.56
  4. Step 4: Simplify right side
    60,802.56x = 1,755,903,284.15
  5. Step 5: Solve for x
    x = 1,755,903,284.15/60,802.56
  6. Step 6: Final answer
    x = 28,878.77

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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.