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Finding the Fourth Proportional to 50,662.88, 75,994.31 and 13,726.88

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Solution

The fourth proportional to 50,662.88, 75,994.31 and 13,726.88 is: 20,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,662.88 : 75,994.31 = 13,726.88 : x
  2. Step 2: Convert to fraction form
    50,662.88/75,994.31 = 13,726.88/x
  3. Step 3: Cross multiply
    50,662.88x = 75,994.31 × 13,726.88
  4. Step 4: Simplify right side
    50,662.88x = 1,043,164,774.05
  5. Step 5: Solve for x
    x = 1,043,164,774.05/50,662.88
  6. Step 6: Final answer
    x = 20,590.32

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1.5x scale

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.