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Finding the Fourth Proportional to 54,890.44, 82,110.12 and 43,818.76

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Solution

The fourth proportional to 54,890.44, 82,110.12 and 43,818.76 is: 65,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.44 : 82,110.12 = 43,818.76 : x
  2. Step 2: Convert to fraction form
    54,890.44/82,110.12 = 43,818.76/x
  3. Step 3: Cross multiply
    54,890.44x = 82,110.12 × 43,818.76
  4. Step 4: Simplify right side
    54,890.44x = 3,597,963,641.85
  5. Step 5: Solve for x
    x = 3,597,963,641.85/54,890.44
  6. Step 6: Final answer
    x = 65,548.09

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1.5x scale

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.