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Finding the Fourth Proportional to 14,683.26, 21,969.72 and 8,738.26

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Solution

The fourth proportional to 14,683.26, 21,969.72 and 8,738.26 is: 13,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683.26 : 21,969.72 = 8,738.26 : x
  2. Step 2: Convert to fraction form
    14,683.26/21,969.72 = 8,738.26/x
  3. Step 3: Cross multiply
    14,683.26x = 21,969.72 × 8,738.26
  4. Step 4: Simplify right side
    14,683.26x = 191,977,125.49
  5. Step 5: Solve for x
    x = 191,977,125.49/14,683.26
  6. Step 6: Final answer
    x = 13,074.56

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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.