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Finding the Fourth Proportional to 63,390.52, 95,080.11 and 19,027.18

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Solution

The fourth proportional to 63,390.52, 95,080.11 and 19,027.18 is: 28,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,390.52 : 95,080.11 = 19,027.18 : x
  2. Step 2: Convert to fraction form
    63,390.52/95,080.11 = 19,027.18/x
  3. Step 3: Cross multiply
    63,390.52x = 95,080.11 × 19,027.18
  4. Step 4: Simplify right side
    63,390.52x = 1,809,106,367.39
  5. Step 5: Solve for x
    x = 1,809,106,367.39/63,390.52
  6. Step 6: Final answer
    x = 28,539.07

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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.