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Finding the Fourth Proportional to 54,769.34, 82,093.75 and 21,483.20

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Solution

The fourth proportional to 54,769.34, 82,093.75 and 21,483.20 is: 32,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,769.34 : 82,093.75 = 21,483.20 : x
  2. Step 2: Convert to fraction form
    54,769.34/82,093.75 = 21,483.20/x
  3. Step 3: Cross multiply
    54,769.34x = 82,093.75 × 21,483.20
  4. Step 4: Simplify right side
    54,769.34x = 1,763,636,450
  5. Step 5: Solve for x
    x = 1,763,636,450/54,769.34
  6. Step 6: Final answer
    x = 32,201.16

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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.