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Finding the Fourth Proportional to 18,192.80, 27,290.46 and 7,095.80

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Solution

The fourth proportional to 18,192.80, 27,290.46 and 7,095.80 is: 10,644.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.80 : 27,290.46 = 7,095.80 : x
  2. Step 2: Convert to fraction form
    18,192.80/27,290.46 = 7,095.80/x
  3. Step 3: Cross multiply
    18,192.80x = 27,290.46 × 7,095.80
  4. Step 4: Simplify right side
    18,192.80x = 193,647,646.07
  5. Step 5: Solve for x
    x = 193,647,646.07/18,192.80
  6. Step 6: Final answer
    x = 10,644.19

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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.