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Finding the Fourth Proportional to 64,389.62, 96,583.97 and 20,016.30

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Solution

The fourth proportional to 64,389.62, 96,583.97 and 20,016.30 is: 30,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.62 : 96,583.97 = 20,016.30 : x
  2. Step 2: Convert to fraction form
    64,389.62/96,583.97 = 20,016.30/x
  3. Step 3: Cross multiply
    64,389.62x = 96,583.97 × 20,016.30
  4. Step 4: Simplify right side
    64,389.62x = 1,933,253,768.75
  5. Step 5: Solve for x
    x = 1,933,253,768.75/64,389.62
  6. Step 6: Final answer
    x = 30,024.31

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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.