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Finding the Fourth Proportional to 69,885.18, 104,795.51 and 22,491.54

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Solution

The fourth proportional to 69,885.18, 104,795.51 and 22,491.54 is: 33,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885.18 : 104,795.51 = 22,491.54 : x
  2. Step 2: Convert to fraction form
    69,885.18/104,795.51 = 22,491.54/x
  3. Step 3: Cross multiply
    69,885.18x = 104,795.51 × 22,491.54
  4. Step 4: Simplify right side
    69,885.18x = 2,357,012,292.53
  5. Step 5: Solve for x
    x = 2,357,012,292.53/69,885.18
  6. Step 6: Final answer
    x = 33,726.93

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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.