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Finding the Fourth Proportional to 6,861.17, 10,291.76 and 1,667.01

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Solution

The fourth proportional to 6,861.17, 10,291.76 and 1,667.01 is: 2,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.17 : 10,291.76 = 1,667.01 : x
  2. Step 2: Convert to fraction form
    6,861.17/10,291.76 = 1,667.01/x
  3. Step 3: Cross multiply
    6,861.17x = 10,291.76 × 1,667.01
  4. Step 4: Simplify right side
    6,861.17x = 17,156,458.50
  5. Step 5: Solve for x
    x = 17,156,458.50/6,861.17
  6. Step 6: Final answer
    x = 2,500.52

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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.