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Finding the Fourth Proportional to 53,374.32, 79,989.84 and 41,542.32

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Solution

The fourth proportional to 53,374.32, 79,989.84 and 41,542.32 is: 62,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.32 : 79,989.84 = 41,542.32 : x
  2. Step 2: Convert to fraction form
    53,374.32/79,989.84 = 41,542.32/x
  3. Step 3: Cross multiply
    53,374.32x = 79,989.84 × 41,542.32
  4. Step 4: Simplify right side
    53,374.32x = 3,322,963,530.03
  5. Step 5: Solve for x
    x = 3,322,963,530.03/53,374.32
  6. Step 6: Final answer
    x = 62,257.72

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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.