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Finding the Fourth Proportional to 8,798.98, 13,201.20 and 3,605.26

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Solution

The fourth proportional to 8,798.98, 13,201.20 and 3,605.26 is: 5,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.98 : 13,201.20 = 3,605.26 : x
  2. Step 2: Convert to fraction form
    8,798.98/13,201.20 = 3,605.26/x
  3. Step 3: Cross multiply
    8,798.98x = 13,201.20 × 3,605.26
  4. Step 4: Simplify right side
    8,798.98x = 47,593,758.31
  5. Step 5: Solve for x
    x = 47,593,758.31/8,798.98
  6. Step 6: Final answer
    x = 5,409.01

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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.