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Finding the Fourth Proportional to 8,803.81, 13,205.72 and 3,873.48

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Solution

The fourth proportional to 8,803.81, 13,205.72 and 3,873.48 is: 5,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.81 : 13,205.72 = 3,873.48 : x
  2. Step 2: Convert to fraction form
    8,803.81/13,205.72 = 3,873.48/x
  3. Step 3: Cross multiply
    8,803.81x = 13,205.72 × 3,873.48
  4. Step 4: Simplify right side
    8,803.81x = 51,152,092.31
  5. Step 5: Solve for x
    x = 51,152,092.31/8,803.81
  6. Step 6: Final answer
    x = 5,810.22

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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.