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Finding the Fourth Proportional to 64,320.54, 96,540.20 and 32,753.40

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Solution

The fourth proportional to 64,320.54, 96,540.20 and 32,753.40 is: 49,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320.54 : 96,540.20 = 32,753.40 : x
  2. Step 2: Convert to fraction form
    64,320.54/96,540.20 = 32,753.40/x
  3. Step 3: Cross multiply
    64,320.54x = 96,540.20 × 32,753.40
  4. Step 4: Simplify right side
    64,320.54x = 3,162,019,786.68
  5. Step 5: Solve for x
    x = 3,162,019,786.68/64,320.54
  6. Step 6: Final answer
    x = 49,160.34

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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.