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Finding the Fourth Proportional to 13,864.54, 19,133.08 and 7,576.92

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Solution

The fourth proportional to 13,864.54, 19,133.08 and 7,576.92 is: 10,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.54 : 19,133.08 = 7,576.92 : x
  2. Step 2: Convert to fraction form
    13,864.54/19,133.08 = 7,576.92/x
  3. Step 3: Cross multiply
    13,864.54x = 19,133.08 × 7,576.92
  4. Step 4: Simplify right side
    13,864.54x = 144,969,816.51
  5. Step 5: Solve for x
    x = 144,969,816.51/13,864.54
  6. Step 6: Final answer
    x = 10,456.16

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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.