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Finding the Fourth Proportional to 8,064.98, 12,099.20 and 2,800.16

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Solution

The fourth proportional to 8,064.98, 12,099.20 and 2,800.16 is: 4,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.98 : 12,099.20 = 2,800.16 : x
  2. Step 2: Convert to fraction form
    8,064.98/12,099.20 = 2,800.16/x
  3. Step 3: Cross multiply
    8,064.98x = 12,099.20 × 2,800.16
  4. Step 4: Simplify right side
    8,064.98x = 33,879,687.75
  5. Step 5: Solve for x
    x = 33,879,687.75/8,064.98
  6. Step 6: Final answer
    x = 4,200.84

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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.