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Finding the Fourth Proportional to 8,743.34, 13,126.01 and 7,009.96

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Solution

The fourth proportional to 8,743.34, 13,126.01 and 7,009.96 is: 10,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.34 : 13,126.01 = 7,009.96 : x
  2. Step 2: Convert to fraction form
    8,743.34/13,126.01 = 7,009.96/x
  3. Step 3: Cross multiply
    8,743.34x = 13,126.01 × 7,009.96
  4. Step 4: Simplify right side
    8,743.34x = 92,012,805.06
  5. Step 5: Solve for x
    x = 92,012,805.06/8,743.34
  6. Step 6: Final answer
    x = 10,523.76

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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.