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Finding the Fourth Proportional to 64,597.92, 96,896.89 and 20,228.15

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Solution

The fourth proportional to 64,597.92, 96,896.89 and 20,228.15 is: 30,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,597.92 : 96,896.89 = 20,228.15 : x
  2. Step 2: Convert to fraction form
    64,597.92/96,896.89 = 20,228.15/x
  3. Step 3: Cross multiply
    64,597.92x = 96,896.89 × 20,228.15
  4. Step 4: Simplify right side
    64,597.92x = 1,960,044,825.45
  5. Step 5: Solve for x
    x = 1,960,044,825.45/64,597.92
  6. Step 6: Final answer
    x = 30,342.23

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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.