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Finding the Fourth Proportional to 64,467.12, 96,739.02 and 34,884.36

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Solution

The fourth proportional to 64,467.12, 96,739.02 and 34,884.36 is: 52,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467.12 : 96,739.02 = 34,884.36 : x
  2. Step 2: Convert to fraction form
    64,467.12/96,739.02 = 34,884.36/x
  3. Step 3: Cross multiply
    64,467.12x = 96,739.02 × 34,884.36
  4. Step 4: Simplify right side
    64,467.12x = 3,374,678,799.73
  5. Step 5: Solve for x
    x = 3,374,678,799.73/64,467.12
  6. Step 6: Final answer
    x = 52,347.29

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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.