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Finding the Fourth Proportional to 7,112.08, 10,667.04 and 2,494

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Solution

The fourth proportional to 7,112.08, 10,667.04 and 2,494 is: 3,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.08 : 10,667.04 = 2,494 : x
  2. Step 2: Convert to fraction form
    7,112.08/10,667.04 = 2,494/x
  3. Step 3: Cross multiply
    7,112.08x = 10,667.04 × 2,494
  4. Step 4: Simplify right side
    7,112.08x = 26,603,597.76
  5. Step 5: Solve for x
    x = 26,603,597.76/7,112.08
  6. Step 6: Final answer
    x = 3,740.62

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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.