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Finding the Fourth Proportional to 9,936.63, 13,712.63 and 5,460.28

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Solution

The fourth proportional to 9,936.63, 13,712.63 and 5,460.28 is: 7,535.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.63 : 13,712.63 = 5,460.28 : x
  2. Step 2: Convert to fraction form
    9,936.63/13,712.63 = 5,460.28/x
  3. Step 3: Cross multiply
    9,936.63x = 13,712.63 × 5,460.28
  4. Step 4: Simplify right side
    9,936.63x = 74,874,737.75
  5. Step 5: Solve for x
    x = 74,874,737.75/9,936.63
  6. Step 6: Final answer
    x = 7,535.22

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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.