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Finding the Fourth Proportional to 8,775.70, 13,163.55 and 2,202.10

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Solution

The fourth proportional to 8,775.70, 13,163.55 and 2,202.10 is: 3,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.70 : 13,163.55 = 2,202.10 : x
  2. Step 2: Convert to fraction form
    8,775.70/13,163.55 = 2,202.10/x
  3. Step 3: Cross multiply
    8,775.70x = 13,163.55 × 2,202.10
  4. Step 4: Simplify right side
    8,775.70x = 28,987,453.46
  5. Step 5: Solve for x
    x = 28,987,453.46/8,775.70
  6. Step 6: Final answer
    x = 3,303.15

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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.