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Finding the Fourth Proportional to 8,436.56, 11,644.92 and 4,901.36

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Solution

The fourth proportional to 8,436.56, 11,644.92 and 4,901.36 is: 6,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.56 : 11,644.92 = 4,901.36 : x
  2. Step 2: Convert to fraction form
    8,436.56/11,644.92 = 4,901.36/x
  3. Step 3: Cross multiply
    8,436.56x = 11,644.92 × 4,901.36
  4. Step 4: Simplify right side
    8,436.56x = 57,075,945.09
  5. Step 5: Solve for x
    x = 57,075,945.09/8,436.56
  6. Step 6: Final answer
    x = 6,765.31

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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.