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Finding the Fourth Proportional to 13,076.34, 18,047.00 and 7,412.01

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Solution

The fourth proportional to 13,076.34, 18,047.00 and 7,412.01 is: 10,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.34 : 18,047.00 = 7,412.01 : x
  2. Step 2: Convert to fraction form
    13,076.34/18,047.00 = 7,412.01/x
  3. Step 3: Cross multiply
    13,076.34x = 18,047.00 × 7,412.01
  4. Step 4: Simplify right side
    13,076.34x = 133,764,495.32
  5. Step 5: Solve for x
    x = 133,764,495.32/13,076.34
  6. Step 6: Final answer
    x = 10,229.51

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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.