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Finding the Fourth Proportional to 50,284.44, 69,405 and 29,076

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Solution

The fourth proportional to 50,284.44, 69,405 and 29,076 is: 40,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,284.44 : 69,405 = 29,076 : x
  2. Step 2: Convert to fraction form
    50,284.44/69,405 = 29,076/x
  3. Step 3: Cross multiply
    50,284.44x = 69,405 × 29,076
  4. Step 4: Simplify right side
    50,284.44x = 2,018,019,780
  5. Step 5: Solve for x
    x = 2,018,019,780/50,284.44
  6. Step 6: Final answer
    x = 40,132.09

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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.