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Finding the Fourth Proportional to 63,305.96, 94,971.78 and 28,245.64

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Solution

The fourth proportional to 63,305.96, 94,971.78 and 28,245.64 is: 42,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,305.96 : 94,971.78 = 28,245.64 : x
  2. Step 2: Convert to fraction form
    63,305.96/94,971.78 = 28,245.64/x
  3. Step 3: Cross multiply
    63,305.96x = 94,971.78 × 28,245.64
  4. Step 4: Simplify right side
    63,305.96x = 2,682,538,708.04
  5. Step 5: Solve for x
    x = 2,682,538,708.04/63,305.96
  6. Step 6: Final answer
    x = 42,374.19

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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.