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Finding the Fourth Proportional to 56,884.78, 84,894.63 and 50,579.31

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Solution

The fourth proportional to 56,884.78, 84,894.63 and 50,579.31 is: 75,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.78 : 84,894.63 = 50,579.31 : x
  2. Step 2: Convert to fraction form
    56,884.78/84,894.63 = 50,579.31/x
  3. Step 3: Cross multiply
    56,884.78x = 84,894.63 × 50,579.31
  4. Step 4: Simplify right side
    56,884.78x = 4,293,911,982.53
  5. Step 5: Solve for x
    x = 4,293,911,982.53/56,884.78
  6. Step 6: Final answer
    x = 75,484.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.