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Finding the Fourth Proportional to 50,553, 69,763.14 and 28,197

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Solution

The fourth proportional to 50,553, 69,763.14 and 28,197 is: 38,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,553 : 69,763.14 = 28,197 : x
  2. Step 2: Convert to fraction form
    50,553/69,763.14 = 28,197/x
  3. Step 3: Cross multiply
    50,553x = 69,763.14 × 28,197
  4. Step 4: Simplify right side
    50,553x = 1,967,111,258.58
  5. Step 5: Solve for x
    x = 1,967,111,258.58/50,553
  6. Step 6: Final answer
    x = 38,911.86

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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.