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Finding the Fourth Proportional to 50,626.64, 69,835.56 and 30,469.52

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Solution

The fourth proportional to 50,626.64, 69,835.56 and 30,469.52 is: 42,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,626.64 : 69,835.56 = 30,469.52 : x
  2. Step 2: Convert to fraction form
    50,626.64/69,835.56 = 30,469.52/x
  3. Step 3: Cross multiply
    50,626.64x = 69,835.56 × 30,469.52
  4. Step 4: Simplify right side
    50,626.64x = 2,127,855,992.13
  5. Step 5: Solve for x
    x = 2,127,855,992.13/50,626.64
  6. Step 6: Final answer
    x = 42,030.36

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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.