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Finding the Fourth Proportional to 50,354.01, 75,533.07 and 20,769.03

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Solution

The fourth proportional to 50,354.01, 75,533.07 and 20,769.03 is: 31,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,354.01 : 75,533.07 = 20,769.03 : x
  2. Step 2: Convert to fraction form
    50,354.01/75,533.07 = 20,769.03/x
  3. Step 3: Cross multiply
    50,354.01x = 75,533.07 × 20,769.03
  4. Step 4: Simplify right side
    50,354.01x = 1,568,748,356.07
  5. Step 5: Solve for x
    x = 1,568,748,356.07/50,354.01
  6. Step 6: Final answer
    x = 31,154.39

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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.