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Finding the Fourth Proportional to 54,565.54, 81,764.71 and 36,730.22

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Solution

The fourth proportional to 54,565.54, 81,764.71 and 36,730.22 is: 55,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,565.54 : 81,764.71 = 36,730.22 : x
  2. Step 2: Convert to fraction form
    54,565.54/81,764.71 = 36,730.22/x
  3. Step 3: Cross multiply
    54,565.54x = 81,764.71 × 36,730.22
  4. Step 4: Simplify right side
    54,565.54x = 3,003,235,285.89
  5. Step 5: Solve for x
    x = 3,003,235,285.89/54,565.54
  6. Step 6: Final answer
    x = 55,039.05

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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.