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Finding the Fourth Proportional to 18,123.26, 27,173.71 and 6,274.27

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Solution

The fourth proportional to 18,123.26, 27,173.71 and 6,274.27 is: 9,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.26 : 27,173.71 = 6,274.27 : x
  2. Step 2: Convert to fraction form
    18,123.26/27,173.71 = 6,274.27/x
  3. Step 3: Cross multiply
    18,123.26x = 27,173.71 × 6,274.27
  4. Step 4: Simplify right side
    18,123.26x = 170,495,109.82
  5. Step 5: Solve for x
    x = 170,495,109.82/18,123.26
  6. Step 6: Final answer
    x = 9,407.53

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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.