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Finding the Fourth Proportional to 63,455, 95,178.84 and 19,080.92

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Solution

The fourth proportional to 63,455, 95,178.84 and 19,080.92 is: 28,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,455 : 95,178.84 = 19,080.92 : x
  2. Step 2: Convert to fraction form
    63,455/95,178.84 = 19,080.92/x
  3. Step 3: Cross multiply
    63,455x = 95,178.84 × 19,080.92
  4. Step 4: Simplify right side
    63,455x = 1,816,099,831.73
  5. Step 5: Solve for x
    x = 1,816,099,831.73/63,455
  6. Step 6: Final answer
    x = 28,620.28

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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.