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Finding the Fourth Proportional to 8,798.45, 13,201.94 and 3,867.45

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Solution

The fourth proportional to 8,798.45, 13,201.94 and 3,867.45 is: 5,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.45 : 13,201.94 = 3,867.45 : x
  2. Step 2: Convert to fraction form
    8,798.45/13,201.94 = 3,867.45/x
  3. Step 3: Cross multiply
    8,798.45x = 13,201.94 × 3,867.45
  4. Step 4: Simplify right side
    8,798.45x = 51,057,803.01
  5. Step 5: Solve for x
    x = 51,057,803.01/8,798.45
  6. Step 6: Final answer
    x = 5,803.05

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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.