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Finding the Fourth Proportional to 5,958.55, 8,931.34 and 2,491.75

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Solution

The fourth proportional to 5,958.55, 8,931.34 and 2,491.75 is: 3,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.55 : 8,931.34 = 2,491.75 : x
  2. Step 2: Convert to fraction form
    5,958.55/8,931.34 = 2,491.75/x
  3. Step 3: Cross multiply
    5,958.55x = 8,931.34 × 2,491.75
  4. Step 4: Simplify right side
    5,958.55x = 22,254,647.23
  5. Step 5: Solve for x
    x = 22,254,647.23/5,958.55
  6. Step 6: Final answer
    x = 3,734.91

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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.