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Finding the Fourth Proportional to 18,613.00, 27,922.26 and 6,130.72

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Solution

The fourth proportional to 18,613.00, 27,922.26 and 6,130.72 is: 9,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.00 : 27,922.26 = 6,130.72 : x
  2. Step 2: Convert to fraction form
    18,613.00/27,922.26 = 6,130.72/x
  3. Step 3: Cross multiply
    18,613.00x = 27,922.26 × 6,130.72
  4. Step 4: Simplify right side
    18,613.00x = 171,183,418.22
  5. Step 5: Solve for x
    x = 171,183,418.22/18,613.00
  6. Step 6: Final answer
    x = 9,196.98

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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.