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Finding the Fourth Proportional to 64,238.56, 96,233.16 and 47,340.88

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Solution

The fourth proportional to 64,238.56, 96,233.16 and 47,340.88 is: 70,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238.56 : 96,233.16 = 47,340.88 : x
  2. Step 2: Convert to fraction form
    64,238.56/96,233.16 = 47,340.88/x
  3. Step 3: Cross multiply
    64,238.56x = 96,233.16 × 47,340.88
  4. Step 4: Simplify right side
    64,238.56x = 4,555,762,479.58
  5. Step 5: Solve for x
    x = 4,555,762,479.58/64,238.56
  6. Step 6: Final answer
    x = 70,919.44

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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.