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Finding the Fourth Proportional to 9,080.47, 13,608.94 and 4,079.15

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Solution

The fourth proportional to 9,080.47, 13,608.94 and 4,079.15 is: 6,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.47 : 13,608.94 = 4,079.15 : x
  2. Step 2: Convert to fraction form
    9,080.47/13,608.94 = 4,079.15/x
  3. Step 3: Cross multiply
    9,080.47x = 13,608.94 × 4,079.15
  4. Step 4: Simplify right side
    9,080.47x = 55,512,914.84
  5. Step 5: Solve for x
    x = 55,512,914.84/9,080.47
  6. Step 6: Final answer
    x = 6,113.44

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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.