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Finding the Fourth Proportional to 64,389.99, 96,584.54 and 20,016.68

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Solution

The fourth proportional to 64,389.99, 96,584.54 and 20,016.68 is: 30,024.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.99 : 96,584.54 = 20,016.68 : x
  2. Step 2: Convert to fraction form
    64,389.99/96,584.54 = 20,016.68/x
  3. Step 3: Cross multiply
    64,389.99x = 96,584.54 × 20,016.68
  4. Step 4: Simplify right side
    64,389.99x = 1,933,301,247.12
  5. Step 5: Solve for x
    x = 1,933,301,247.12/64,389.99
  6. Step 6: Final answer
    x = 30,024.87

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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.