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Finding the Fourth Proportional to 9,491.67, 14,237.55 and 3,941.55

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Solution

The fourth proportional to 9,491.67, 14,237.55 and 3,941.55 is: 5,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.67 : 14,237.55 = 3,941.55 : x
  2. Step 2: Convert to fraction form
    9,491.67/14,237.55 = 3,941.55/x
  3. Step 3: Cross multiply
    9,491.67x = 14,237.55 × 3,941.55
  4. Step 4: Simplify right side
    9,491.67x = 56,118,015.20
  5. Step 5: Solve for x
    x = 56,118,015.20/9,491.67
  6. Step 6: Final answer
    x = 5,912.34

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Double scale
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Similar ratio
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1.5x scale

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.