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Finding the Fourth Proportional to 54,819.75, 82,230.03 and 13,266.75

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Solution

The fourth proportional to 54,819.75, 82,230.03 and 13,266.75 is: 19,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.75 : 82,230.03 = 13,266.75 : x
  2. Step 2: Convert to fraction form
    54,819.75/82,230.03 = 13,266.75/x
  3. Step 3: Cross multiply
    54,819.75x = 82,230.03 × 13,266.75
  4. Step 4: Simplify right side
    54,819.75x = 1,090,925,250.50
  5. Step 5: Solve for x
    x = 1,090,925,250.50/54,819.75
  6. Step 6: Final answer
    x = 19,900.22

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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.