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Finding the Fourth Proportional to 67,351.42, 101,023.46 and 20,604.29

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Solution

The fourth proportional to 67,351.42, 101,023.46 and 20,604.29 is: 30,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351.42 : 101,023.46 = 20,604.29 : x
  2. Step 2: Convert to fraction form
    67,351.42/101,023.46 = 20,604.29/x
  3. Step 3: Cross multiply
    67,351.42x = 101,023.46 × 20,604.29
  4. Step 4: Simplify right side
    67,351.42x = 2,081,516,666.64
  5. Step 5: Solve for x
    x = 2,081,516,666.64/67,351.42
  6. Step 6: Final answer
    x = 30,905.31

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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.