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Finding the Fourth Proportional to 36,998.10, 55,497.15 and 21,446.10

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Solution

The fourth proportional to 36,998.10, 55,497.15 and 21,446.10 is: 32,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,998.10 : 55,497.15 = 21,446.10 : x
  2. Step 2: Convert to fraction form
    36,998.10/55,497.15 = 21,446.10/x
  3. Step 3: Cross multiply
    36,998.10x = 55,497.15 × 21,446.10
  4. Step 4: Simplify right side
    36,998.10x = 1,190,197,428.62
  5. Step 5: Solve for x
    x = 1,190,197,428.62/36,998.10
  6. Step 6: Final answer
    x = 32,169.15

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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.