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Finding the Fourth Proportional to 50,662.80, 75,994.12 and 13,726.80

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Solution

The fourth proportional to 50,662.80, 75,994.12 and 13,726.80 is: 20,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,662.80 : 75,994.12 = 13,726.80 : x
  2. Step 2: Convert to fraction form
    50,662.80/75,994.12 = 13,726.80/x
  3. Step 3: Cross multiply
    50,662.80x = 75,994.12 × 13,726.80
  4. Step 4: Simplify right side
    50,662.80x = 1,043,156,086.42
  5. Step 5: Solve for x
    x = 1,043,156,086.42/50,662.80
  6. Step 6: Final answer
    x = 20,590.18

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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.