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Finding the Fourth Proportional to 10,008.37, 13,812.08 and 5,760.08

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Solution

The fourth proportional to 10,008.37, 13,812.08 and 5,760.08 is: 7,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.37 : 13,812.08 = 5,760.08 : x
  2. Step 2: Convert to fraction form
    10,008.37/13,812.08 = 5,760.08/x
  3. Step 3: Cross multiply
    10,008.37x = 13,812.08 × 5,760.08
  4. Step 4: Simplify right side
    10,008.37x = 79,558,685.77
  5. Step 5: Solve for x
    x = 79,558,685.77/10,008.37
  6. Step 6: Final answer
    x = 7,949.22

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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.