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Finding the Fourth Proportional to 8,843.94, 13,242.48 and 7,080.66

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Solution

The fourth proportional to 8,843.94, 13,242.48 and 7,080.66 is: 10,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.94 : 13,242.48 = 7,080.66 : x
  2. Step 2: Convert to fraction form
    8,843.94/13,242.48 = 7,080.66/x
  3. Step 3: Cross multiply
    8,843.94x = 13,242.48 × 7,080.66
  4. Step 4: Simplify right side
    8,843.94x = 93,765,498.44
  5. Step 5: Solve for x
    x = 93,765,498.44/8,843.94
  6. Step 6: Final answer
    x = 10,602.23

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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.