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Finding the Fourth Proportional to 64,467.47, 96,701.06 and 36,374.78

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Solution

The fourth proportional to 64,467.47, 96,701.06 and 36,374.78 is: 54,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.47 : 96,701.06 = 36,374.78 : x
  2. Step 2: Convert to fraction form
    64,467.47/96,701.06 = 36,374.78/x
  3. Step 3: Cross multiply
    64,467.47x = 96,701.06 × 36,374.78
  4. Step 4: Simplify right side
    64,467.47x = 3,517,479,390.70
  5. Step 5: Solve for x
    x = 3,517,479,390.70/64,467.47
  6. Step 6: Final answer
    x = 54,562.09

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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.