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Finding the Fourth Proportional to 64,041.28, 96,061.92 and 32,856.64

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Solution

The fourth proportional to 64,041.28, 96,061.92 and 32,856.64 is: 49,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,041.28 : 96,061.92 = 32,856.64 : x
  2. Step 2: Convert to fraction form
    64,041.28/96,061.92 = 32,856.64/x
  3. Step 3: Cross multiply
    64,041.28x = 96,061.92 × 32,856.64
  4. Step 4: Simplify right side
    64,041.28x = 3,156,271,923.15
  5. Step 5: Solve for x
    x = 3,156,271,923.15/64,041.28
  6. Step 6: Final answer
    x = 49,284.96

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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.