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Finding the Fourth Proportional to 73,674.10, 110,490.92 and 20,353.34

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Solution

The fourth proportional to 73,674.10, 110,490.92 and 20,353.34 is: 30,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,674.10 : 110,490.92 = 20,353.34 : x
  2. Step 2: Convert to fraction form
    73,674.10/110,490.92 = 20,353.34/x
  3. Step 3: Cross multiply
    73,674.10x = 110,490.92 × 20,353.34
  4. Step 4: Simplify right side
    73,674.10x = 2,248,859,261.67
  5. Step 5: Solve for x
    x = 2,248,859,261.67/73,674.10
  6. Step 6: Final answer
    x = 30,524.42

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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.