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Finding the Fourth Proportional to 11,869.93, 17,804.86 and 3,549.95

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Solution

The fourth proportional to 11,869.93, 17,804.86 and 3,549.95 is: 5,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.93 : 17,804.86 = 3,549.95 : x
  2. Step 2: Convert to fraction form
    11,869.93/17,804.86 = 3,549.95/x
  3. Step 3: Cross multiply
    11,869.93x = 17,804.86 × 3,549.95
  4. Step 4: Simplify right side
    11,869.93x = 63,206,362.76
  5. Step 5: Solve for x
    x = 63,206,362.76/11,869.93
  6. Step 6: Final answer
    x = 5,324.91

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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.