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Finding the Fourth Proportional to 63,853.08, 95,779.44 and 28,751.64

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Solution

The fourth proportional to 63,853.08, 95,779.44 and 28,751.64 is: 43,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,853.08 : 95,779.44 = 28,751.64 : x
  2. Step 2: Convert to fraction form
    63,853.08/95,779.44 = 28,751.64/x
  3. Step 3: Cross multiply
    63,853.08x = 95,779.44 × 28,751.64
  4. Step 4: Simplify right side
    63,853.08x = 2,753,815,978.28
  5. Step 5: Solve for x
    x = 2,753,815,978.28/63,853.08
  6. Step 6: Final answer
    x = 43,127.38

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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.