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Finding the Fourth Proportional to 8,276.03, 11,420.79 and 4,499.17

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Solution

The fourth proportional to 8,276.03, 11,420.79 and 4,499.17 is: 6,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.03 : 11,420.79 = 4,499.17 : x
  2. Step 2: Convert to fraction form
    8,276.03/11,420.79 = 4,499.17/x
  3. Step 3: Cross multiply
    8,276.03x = 11,420.79 × 4,499.17
  4. Step 4: Simplify right side
    8,276.03x = 51,384,075.74
  5. Step 5: Solve for x
    x = 51,384,075.74/8,276.03
  6. Step 6: Final answer
    x = 6,208.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.