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Finding the Fourth Proportional to 15,709.56, 23,559.30 and 6,944.28

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Solution

The fourth proportional to 15,709.56, 23,559.30 and 6,944.28 is: 10,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.56 : 23,559.30 = 6,944.28 : x
  2. Step 2: Convert to fraction form
    15,709.56/23,559.30 = 6,944.28/x
  3. Step 3: Cross multiply
    15,709.56x = 23,559.30 × 6,944.28
  4. Step 4: Simplify right side
    15,709.56x = 163,602,375.80
  5. Step 5: Solve for x
    x = 163,602,375.80/15,709.56
  6. Step 6: Final answer
    x = 10,414.19

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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.