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Finding the Fourth Proportional to 11,495.13, 17,228.26 and 4,913.57

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Solution

The fourth proportional to 11,495.13, 17,228.26 and 4,913.57 is: 7,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.13 : 17,228.26 = 4,913.57 : x
  2. Step 2: Convert to fraction form
    11,495.13/17,228.26 = 4,913.57/x
  3. Step 3: Cross multiply
    11,495.13x = 17,228.26 × 4,913.57
  4. Step 4: Simplify right side
    11,495.13x = 84,652,310.70
  5. Step 5: Solve for x
    x = 84,652,310.70/11,495.13
  6. Step 6: Final answer
    x = 7,364.19

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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.