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Finding the Fourth Proportional to 8,662.55, 12,993.83 and 2,088.73

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Solution

The fourth proportional to 8,662.55, 12,993.83 and 2,088.73 is: 3,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.55 : 12,993.83 = 2,088.73 : x
  2. Step 2: Convert to fraction form
    8,662.55/12,993.83 = 2,088.73/x
  3. Step 3: Cross multiply
    8,662.55x = 12,993.83 × 2,088.73
  4. Step 4: Simplify right side
    8,662.55x = 27,140,602.54
  5. Step 5: Solve for x
    x = 27,140,602.54/8,662.55
  6. Step 6: Final answer
    x = 3,133.10

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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.