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Finding the Fourth Proportional to 7,618.01, 11,424.96 and 2,687.00

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Solution

The fourth proportional to 7,618.01, 11,424.96 and 2,687.00 is: 4,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.01 : 11,424.96 = 2,687.00 : x
  2. Step 2: Convert to fraction form
    7,618.01/11,424.96 = 2,687.00/x
  3. Step 3: Cross multiply
    7,618.01x = 11,424.96 × 2,687.00
  4. Step 4: Simplify right side
    7,618.01x = 30,698,810.40
  5. Step 5: Solve for x
    x = 30,698,810.40/7,618.01
  6. Step 6: Final answer
    x = 4,029.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.