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Finding the Fourth Proportional to 50,697.60, 69,865.92 and 44,062.08

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Solution

The fourth proportional to 50,697.60, 69,865.92 and 44,062.08 is: 60,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.60 : 69,865.92 = 44,062.08 : x
  2. Step 2: Convert to fraction form
    50,697.60/69,865.92 = 44,062.08/x
  3. Step 3: Cross multiply
    50,697.60x = 69,865.92 × 44,062.08
  4. Step 4: Simplify right side
    50,697.60x = 3,078,437,756.31
  5. Step 5: Solve for x
    x = 3,078,437,756.31/50,697.60
  6. Step 6: Final answer
    x = 60,721.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.