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Finding the Fourth Proportional to 11,868.93, 17,803.36 and 3,548.95

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Solution

The fourth proportional to 11,868.93, 17,803.36 and 3,548.95 is: 5,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.93 : 17,803.36 = 3,548.95 : x
  2. Step 2: Convert to fraction form
    11,868.93/17,803.36 = 3,548.95/x
  3. Step 3: Cross multiply
    11,868.93x = 17,803.36 × 3,548.95
  4. Step 4: Simplify right side
    11,868.93x = 63,183,194.40
  5. Step 5: Solve for x
    x = 63,183,194.40/11,868.93
  6. Step 6: Final answer
    x = 5,323.41

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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.