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Finding the Fourth Proportional to 18,193.30, 27,291.21 and 7,096.30

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Solution

The fourth proportional to 18,193.30, 27,291.21 and 7,096.30 is: 10,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.30 : 27,291.21 = 7,096.30 : x
  2. Step 2: Convert to fraction form
    18,193.30/27,291.21 = 7,096.30/x
  3. Step 3: Cross multiply
    18,193.30x = 27,291.21 × 7,096.30
  4. Step 4: Simplify right side
    18,193.30x = 193,666,613.52
  5. Step 5: Solve for x
    x = 193,666,613.52/18,193.30
  6. Step 6: Final answer
    x = 10,644.94

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Half scale
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Double scale
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Similar ratio
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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.