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Finding the Fourth Proportional to 22,800.60, 34,200.90 and 8,007.98

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Solution

The fourth proportional to 22,800.60, 34,200.90 and 8,007.98 is: 12,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.60 : 34,200.90 = 8,007.98 : x
  2. Step 2: Convert to fraction form
    22,800.60/34,200.90 = 8,007.98/x
  3. Step 3: Cross multiply
    22,800.60x = 34,200.90 × 8,007.98
  4. Step 4: Simplify right side
    22,800.60x = 273,879,952.18
  5. Step 5: Solve for x
    x = 273,879,952.18/22,800.60
  6. Step 6: Final answer
    x = 12,011.96

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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.