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Finding the Fourth Proportional to 8,969.40, 13,483.26 and 8,049.24

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Solution

The fourth proportional to 8,969.40, 13,483.26 and 8,049.24 is: 12,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.40 : 13,483.26 = 8,049.24 : x
  2. Step 2: Convert to fraction form
    8,969.40/13,483.26 = 8,049.24/x
  3. Step 3: Cross multiply
    8,969.40x = 13,483.26 × 8,049.24
  4. Step 4: Simplify right side
    8,969.40x = 108,529,995.72
  5. Step 5: Solve for x
    x = 108,529,995.72/8,969.40
  6. Step 6: Final answer
    x = 12,100.03

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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.