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Finding the Fourth Proportional to 9,847.18, 14,747.22 and 5,453.74

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Solution

The fourth proportional to 9,847.18, 14,747.22 and 5,453.74 is: 8,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.18 : 14,747.22 = 5,453.74 : x
  2. Step 2: Convert to fraction form
    9,847.18/14,747.22 = 5,453.74/x
  3. Step 3: Cross multiply
    9,847.18x = 14,747.22 × 5,453.74
  4. Step 4: Simplify right side
    9,847.18x = 80,427,503.60
  5. Step 5: Solve for x
    x = 80,427,503.60/9,847.18
  6. Step 6: Final answer
    x = 8,167.57

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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.