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Finding the Fourth Proportional to 63,447.84, 95,185.68 and 19,078.56

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Solution

The fourth proportional to 63,447.84, 95,185.68 and 19,078.56 is: 28,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.84 : 95,185.68 = 19,078.56 : x
  2. Step 2: Convert to fraction form
    63,447.84/95,185.68 = 19,078.56/x
  3. Step 3: Cross multiply
    63,447.84x = 95,185.68 × 19,078.56
  4. Step 4: Simplify right side
    63,447.84x = 1,816,005,707.02
  5. Step 5: Solve for x
    x = 1,816,005,707.02/63,447.84
  6. Step 6: Final answer
    x = 28,622.03

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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.