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Finding the Fourth Proportional to 17,304.76, 25,945.30 and 6,211.20

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Solution

The fourth proportional to 17,304.76, 25,945.30 and 6,211.20 is: 9,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.76 : 25,945.30 = 6,211.20 : x
  2. Step 2: Convert to fraction form
    17,304.76/25,945.30 = 6,211.20/x
  3. Step 3: Cross multiply
    17,304.76x = 25,945.30 × 6,211.20
  4. Step 4: Simplify right side
    17,304.76x = 161,151,447.36
  5. Step 5: Solve for x
    x = 161,151,447.36/17,304.76
  6. Step 6: Final answer
    x = 9,312.55

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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.