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Finding the Fourth Proportional to 59,378.66, 89,072.31 and 19,935.44

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Solution

The fourth proportional to 59,378.66, 89,072.31 and 19,935.44 is: 29,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.66 : 89,072.31 = 19,935.44 : x
  2. Step 2: Convert to fraction form
    59,378.66/89,072.31 = 19,935.44/x
  3. Step 3: Cross multiply
    59,378.66x = 89,072.31 × 19,935.44
  4. Step 4: Simplify right side
    59,378.66x = 1,775,695,691.67
  5. Step 5: Solve for x
    x = 1,775,695,691.67/59,378.66
  6. Step 6: Final answer
    x = 29,904.61

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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.