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Finding the Fourth Proportional to 8,756.38, 12,096.98 and 5,738.68

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Solution

The fourth proportional to 8,756.38, 12,096.98 and 5,738.68 is: 7,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.38 : 12,096.98 = 5,738.68 : x
  2. Step 2: Convert to fraction form
    8,756.38/12,096.98 = 5,738.68/x
  3. Step 3: Cross multiply
    8,756.38x = 12,096.98 × 5,738.68
  4. Step 4: Simplify right side
    8,756.38x = 69,420,678.31
  5. Step 5: Solve for x
    x = 69,420,678.31/8,756.38
  6. Step 6: Final answer
    x = 7,928.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.