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Finding the Fourth Proportional to 18,110.50, 27,168.29 and 17,114.50

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Solution

The fourth proportional to 18,110.50, 27,168.29 and 17,114.50 is: 25,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.50 : 27,168.29 = 17,114.50 : x
  2. Step 2: Convert to fraction form
    18,110.50/27,168.29 = 17,114.50/x
  3. Step 3: Cross multiply
    18,110.50x = 27,168.29 × 17,114.50
  4. Step 4: Simplify right side
    18,110.50x = 464,971,613.63
  5. Step 5: Solve for x
    x = 464,971,613.63/18,110.50
  6. Step 6: Final answer
    x = 25,674.15

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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.