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Finding the Fourth Proportional to 64,393.56, 96,604.02 and 20,019.24

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Solution

The fourth proportional to 64,393.56, 96,604.02 and 20,019.24 is: 30,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,393.56 : 96,604.02 = 20,019.24 : x
  2. Step 2: Convert to fraction form
    64,393.56/96,604.02 = 20,019.24/x
  3. Step 3: Cross multiply
    64,393.56x = 96,604.02 × 20,019.24
  4. Step 4: Simplify right side
    64,393.56x = 1,933,939,061.34
  5. Step 5: Solve for x
    x = 1,933,939,061.34/64,393.56
  6. Step 6: Final answer
    x = 30,033.11

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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.