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Finding the Fourth Proportional to 49,994.79, 74,992.11 and 20,022.53

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Solution

The fourth proportional to 49,994.79, 74,992.11 and 20,022.53 is: 30,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,994.79 : 74,992.11 = 20,022.53 : x
  2. Step 2: Convert to fraction form
    49,994.79/74,992.11 = 20,022.53/x
  3. Step 3: Cross multiply
    49,994.79x = 74,992.11 × 20,022.53
  4. Step 4: Simplify right side
    49,994.79x = 1,501,531,397.28
  5. Step 5: Solve for x
    x = 1,501,531,397.28/49,994.79
  6. Step 6: Final answer
    x = 30,033.76

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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.