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Finding the Fourth Proportional to 64,467.27, 96,683.81 and 45,691.88

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Solution

The fourth proportional to 64,467.27, 96,683.81 and 45,691.88 is: 68,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.27 : 96,683.81 = 45,691.88 : x
  2. Step 2: Convert to fraction form
    64,467.27/96,683.81 = 45,691.88/x
  3. Step 3: Cross multiply
    64,467.27x = 96,683.81 × 45,691.88
  4. Step 4: Simplify right side
    64,467.27x = 4,417,664,332.58
  5. Step 5: Solve for x
    x = 4,417,664,332.58/64,467.27
  6. Step 6: Final answer
    x = 68,525.69

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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.