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Finding the Fourth Proportional to 11,506.54, 17,259.81 and 3,716.50

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Solution

The fourth proportional to 11,506.54, 17,259.81 and 3,716.50 is: 5,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.54 : 17,259.81 = 3,716.50 : x
  2. Step 2: Convert to fraction form
    11,506.54/17,259.81 = 3,716.50/x
  3. Step 3: Cross multiply
    11,506.54x = 17,259.81 × 3,716.50
  4. Step 4: Simplify right side
    11,506.54x = 64,146,083.87
  5. Step 5: Solve for x
    x = 64,146,083.87/11,506.54
  6. Step 6: Final answer
    x = 5,574.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.