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Finding the Fourth Proportional to 9,936.51, 13,712.68 and 5,460.39

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Solution

The fourth proportional to 9,936.51, 13,712.68 and 5,460.39 is: 7,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.51 : 13,712.68 = 5,460.39 : x
  2. Step 2: Convert to fraction form
    9,936.51/13,712.68 = 5,460.39/x
  3. Step 3: Cross multiply
    9,936.51x = 13,712.68 × 5,460.39
  4. Step 4: Simplify right side
    9,936.51x = 74,876,580.75
  5. Step 5: Solve for x
    x = 74,876,580.75/9,936.51
  6. Step 6: Final answer
    x = 7,535.50

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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.