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Finding the Fourth Proportional to 8,734.11, 12,051.09 and 7,323.49

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Solution

The fourth proportional to 8,734.11, 12,051.09 and 7,323.49 is: 10,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.11 : 12,051.09 = 7,323.49 : x
  2. Step 2: Convert to fraction form
    8,734.11/12,051.09 = 7,323.49/x
  3. Step 3: Cross multiply
    8,734.11x = 12,051.09 × 7,323.49
  4. Step 4: Simplify right side
    8,734.11x = 88,256,037.10
  5. Step 5: Solve for x
    x = 88,256,037.10/8,734.11
  6. Step 6: Final answer
    x = 10,104.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.