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Finding the Fourth Proportional to 69,826.91, 104,756.77 and 23,079.79

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Solution

The fourth proportional to 69,826.91, 104,756.77 and 23,079.79 is: 34,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,826.91 : 104,756.77 = 23,079.79 : x
  2. Step 2: Convert to fraction form
    69,826.91/104,756.77 = 23,079.79/x
  3. Step 3: Cross multiply
    69,826.91x = 104,756.77 × 23,079.79
  4. Step 4: Simplify right side
    69,826.91x = 2,417,763,728.89
  5. Step 5: Solve for x
    x = 2,417,763,728.89/69,826.91
  6. Step 6: Final answer
    x = 34,625.10

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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.