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Finding the Fourth Proportional to 50,199.76, 75,287.01 and 20,625.76

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Solution

The fourth proportional to 50,199.76, 75,287.01 and 20,625.76 is: 30,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,199.76 : 75,287.01 = 20,625.76 : x
  2. Step 2: Convert to fraction form
    50,199.76/75,287.01 = 20,625.76/x
  3. Step 3: Cross multiply
    50,199.76x = 75,287.01 × 20,625.76
  4. Step 4: Simplify right side
    50,199.76x = 1,552,851,799.38
  5. Step 5: Solve for x
    x = 1,552,851,799.38/50,199.76
  6. Step 6: Final answer
    x = 30,933.45

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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.