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Finding the Fourth Proportional to 8,080.08, 12,107.16 and 7,302.48

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Solution

The fourth proportional to 8,080.08, 12,107.16 and 7,302.48 is: 10,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.08 : 12,107.16 = 7,302.48 : x
  2. Step 2: Convert to fraction form
    8,080.08/12,107.16 = 7,302.48/x
  3. Step 3: Cross multiply
    8,080.08x = 12,107.16 × 7,302.48
  4. Step 4: Simplify right side
    8,080.08x = 88,412,293.76
  5. Step 5: Solve for x
    x = 88,412,293.76/8,080.08
  6. Step 6: Final answer
    x = 10,942.01

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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.