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Finding the Fourth Proportional to 19,093.64, 28,634.94 and 6,613.16

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Solution

The fourth proportional to 19,093.64, 28,634.94 and 6,613.16 is: 9,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.64 : 28,634.94 = 6,613.16 : x
  2. Step 2: Convert to fraction form
    19,093.64/28,634.94 = 6,613.16/x
  3. Step 3: Cross multiply
    19,093.64x = 28,634.94 × 6,613.16
  4. Step 4: Simplify right side
    19,093.64x = 189,367,296.64
  5. Step 5: Solve for x
    x = 189,367,296.64/19,093.64
  6. Step 6: Final answer
    x = 9,917.82

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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.