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Finding the Fourth Proportional to 17,991.36, 26,999.02 and 6,304.56

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Solution

The fourth proportional to 17,991.36, 26,999.02 and 6,304.56 is: 9,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.36 : 26,999.02 = 6,304.56 : x
  2. Step 2: Convert to fraction form
    17,991.36/26,999.02 = 6,304.56/x
  3. Step 3: Cross multiply
    17,991.36x = 26,999.02 × 6,304.56
  4. Step 4: Simplify right side
    17,991.36x = 170,216,941.53
  5. Step 5: Solve for x
    x = 170,216,941.53/17,991.36
  6. Step 6: Final answer
    x = 9,461.04

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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.