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Finding the Fourth Proportional to 54,294.58, 81,070.51 and 48,635.72

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Solution

The fourth proportional to 54,294.58, 81,070.51 and 48,635.72 is: 72,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.58 : 81,070.51 = 48,635.72 : x
  2. Step 2: Convert to fraction form
    54,294.58/81,070.51 = 48,635.72/x
  3. Step 3: Cross multiply
    54,294.58x = 81,070.51 × 48,635.72
  4. Step 4: Simplify right side
    54,294.58x = 3,942,921,976.09
  5. Step 5: Solve for x
    x = 3,942,921,976.09/54,294.58
  6. Step 6: Final answer
    x = 72,620.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.