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Finding the Fourth Proportional to 8,855.80, 13,259.94 and 4,949.08

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Solution

The fourth proportional to 8,855.80, 13,259.94 and 4,949.08 is: 7,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.80 : 13,259.94 = 4,949.08 : x
  2. Step 2: Convert to fraction form
    8,855.80/13,259.94 = 4,949.08/x
  3. Step 3: Cross multiply
    8,855.80x = 13,259.94 × 4,949.08
  4. Step 4: Simplify right side
    8,855.80x = 65,624,503.86
  5. Step 5: Solve for x
    x = 65,624,503.86/8,855.80
  6. Step 6: Final answer
    x = 7,410.34

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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.