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Finding the Fourth Proportional to 8,465.44, 12,697.15 and 2,225.94

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Solution

The fourth proportional to 8,465.44, 12,697.15 and 2,225.94 is: 3,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.44 : 12,697.15 = 2,225.94 : x
  2. Step 2: Convert to fraction form
    8,465.44/12,697.15 = 2,225.94/x
  3. Step 3: Cross multiply
    8,465.44x = 12,697.15 × 2,225.94
  4. Step 4: Simplify right side
    8,465.44x = 28,263,119.26
  5. Step 5: Solve for x
    x = 28,263,119.26/8,465.44
  6. Step 6: Final answer
    x = 3,338.65

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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.