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Finding the Fourth Proportional to 12,613.11, 18,919.62 and 6,035.69

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Solution

The fourth proportional to 12,613.11, 18,919.62 and 6,035.69 is: 9,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.11 : 18,919.62 = 6,035.69 : x
  2. Step 2: Convert to fraction form
    12,613.11/18,919.62 = 6,035.69/x
  3. Step 3: Cross multiply
    12,613.11x = 18,919.62 × 6,035.69
  4. Step 4: Simplify right side
    12,613.11x = 114,192,866.64
  5. Step 5: Solve for x
    x = 114,192,866.64/12,613.11
  6. Step 6: Final answer
    x = 9,053.51

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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.