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Finding the Fourth Proportional to 11,369.79, 17,046.74 and 5,041.22

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Solution

The fourth proportional to 11,369.79, 17,046.74 and 5,041.22 is: 7,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.79 : 17,046.74 = 5,041.22 : x
  2. Step 2: Convert to fraction form
    11,369.79/17,046.74 = 5,041.22/x
  3. Step 3: Cross multiply
    11,369.79x = 17,046.74 × 5,041.22
  4. Step 4: Simplify right side
    11,369.79x = 85,936,256.18
  5. Step 5: Solve for x
    x = 85,936,256.18/11,369.79
  6. Step 6: Final answer
    x = 7,558.30

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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.