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Finding the Fourth Proportional to 18,613.14, 27,918.06 and 6,133.06

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Solution

The fourth proportional to 18,613.14, 27,918.06 and 6,133.06 is: 9,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.14 : 27,918.06 = 6,133.06 : x
  2. Step 2: Convert to fraction form
    18,613.14/27,918.06 = 6,133.06/x
  3. Step 3: Cross multiply
    18,613.14x = 27,918.06 × 6,133.06
  4. Step 4: Simplify right side
    18,613.14x = 171,223,137.06
  5. Step 5: Solve for x
    x = 171,223,137.06/18,613.14
  6. Step 6: Final answer
    x = 9,199.05

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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.