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Finding the Fourth Proportional to 8,080.02, 12,040.79 and 8,011.98

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Solution

The fourth proportional to 8,080.02, 12,040.79 and 8,011.98 is: 11,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.02 : 12,040.79 = 8,011.98 : x
  2. Step 2: Convert to fraction form
    8,080.02/12,040.79 = 8,011.98/x
  3. Step 3: Cross multiply
    8,080.02x = 12,040.79 × 8,011.98
  4. Step 4: Simplify right side
    8,080.02x = 96,470,528.60
  5. Step 5: Solve for x
    x = 96,470,528.60/8,080.02
  6. Step 6: Final answer
    x = 11,939.39

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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.