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Finding the Fourth Proportional to 63,022.56, 86,965.92 and 34,727.28

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Solution

The fourth proportional to 63,022.56, 86,965.92 and 34,727.28 is: 47,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.56 : 86,965.92 = 34,727.28 : x
  2. Step 2: Convert to fraction form
    63,022.56/86,965.92 = 34,727.28/x
  3. Step 3: Cross multiply
    63,022.56x = 86,965.92 × 34,727.28
  4. Step 4: Simplify right side
    63,022.56x = 3,020,089,854.30
  5. Step 5: Solve for x
    x = 3,020,089,854.30/63,022.56
  6. Step 6: Final answer
    x = 47,920.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.