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Finding the Fourth Proportional to 11,971.04, 17,963.04 and 5,045.36

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Solution

The fourth proportional to 11,971.04, 17,963.04 and 5,045.36 is: 7,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.04 : 17,963.04 = 5,045.36 : x
  2. Step 2: Convert to fraction form
    11,971.04/17,963.04 = 5,045.36/x
  3. Step 3: Cross multiply
    11,971.04x = 17,963.04 × 5,045.36
  4. Step 4: Simplify right side
    11,971.04x = 90,630,003.49
  5. Step 5: Solve for x
    x = 90,630,003.49/11,971.04
  6. Step 6: Final answer
    x = 7,570.77

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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.