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Finding the Fourth Proportional to 69,083.72, 103,610.06 and 26,964.84

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Solution

The fourth proportional to 69,083.72, 103,610.06 and 26,964.84 is: 40,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,083.72 : 103,610.06 = 26,964.84 : x
  2. Step 2: Convert to fraction form
    69,083.72/103,610.06 = 26,964.84/x
  3. Step 3: Cross multiply
    69,083.72x = 103,610.06 × 26,964.84
  4. Step 4: Simplify right side
    69,083.72x = 2,793,828,690.29
  5. Step 5: Solve for x
    x = 2,793,828,690.29/69,083.72
  6. Step 6: Final answer
    x = 40,441.20

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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.