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Finding the Fourth Proportional to 69,826.41, 96,393.11 and 44,690.49

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Solution

The fourth proportional to 69,826.41, 96,393.11 and 44,690.49 is: 61,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,826.41 : 96,393.11 = 44,690.49 : x
  2. Step 2: Convert to fraction form
    69,826.41/96,393.11 = 44,690.49/x
  3. Step 3: Cross multiply
    69,826.41x = 96,393.11 × 44,690.49
  4. Step 4: Simplify right side
    69,826.41x = 4,307,855,095.07
  5. Step 5: Solve for x
    x = 4,307,855,095.07/69,826.41
  6. Step 6: Final answer
    x = 61,693.78

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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.