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Finding the Fourth Proportional to 64,184.62, 96,241.68 and 19,799.08

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Solution

The fourth proportional to 64,184.62, 96,241.68 and 19,799.08 is: 29,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,184.62 : 96,241.68 = 19,799.08 : x
  2. Step 2: Convert to fraction form
    64,184.62/96,241.68 = 19,799.08/x
  3. Step 3: Cross multiply
    64,184.62x = 96,241.68 × 19,799.08
  4. Step 4: Simplify right side
    64,184.62x = 1,905,496,721.65
  5. Step 5: Solve for x
    x = 1,905,496,721.65/64,184.62
  6. Step 6: Final answer
    x = 29,687.75

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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.