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Finding the Fourth Proportional to 63,543.92, 95,285 and 19,162.40

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Solution

The fourth proportional to 63,543.92, 95,285 and 19,162.40 is: 28,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.92 : 95,285 = 19,162.40 : x
  2. Step 2: Convert to fraction form
    63,543.92/95,285 = 19,162.40/x
  3. Step 3: Cross multiply
    63,543.92x = 95,285 × 19,162.40
  4. Step 4: Simplify right side
    63,543.92x = 1,825,889,284.00
  5. Step 5: Solve for x
    x = 1,825,889,284.00/63,543.92
  6. Step 6: Final answer
    x = 28,734.29

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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.