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Finding the Fourth Proportional to 8,090.66, 12,063.40 and 7,943.03

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Solution

The fourth proportional to 8,090.66, 12,063.40 and 7,943.03 is: 11,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.66 : 12,063.40 = 7,943.03 : x
  2. Step 2: Convert to fraction form
    8,090.66/12,063.40 = 7,943.03/x
  3. Step 3: Cross multiply
    8,090.66x = 12,063.40 × 7,943.03
  4. Step 4: Simplify right side
    8,090.66x = 95,819,948.10
  5. Step 5: Solve for x
    x = 95,819,948.10/8,090.66
  6. Step 6: Final answer
    x = 11,843.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.