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Finding the Fourth Proportional to 5,911.17, 8,867.81 and 1,962.67

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Solution

The fourth proportional to 5,911.17, 8,867.81 and 1,962.67 is: 2,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.17 : 8,867.81 = 1,962.67 : x
  2. Step 2: Convert to fraction form
    5,911.17/8,867.81 = 1,962.67/x
  3. Step 3: Cross multiply
    5,911.17x = 8,867.81 × 1,962.67
  4. Step 4: Simplify right side
    5,911.17x = 17,404,530.50
  5. Step 5: Solve for x
    x = 17,404,530.50/5,911.17
  6. Step 6: Final answer
    x = 2,944.35

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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.