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Finding the Fourth Proportional to 4,882.74, 7,324.47 and 1,764.60

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Solution

The fourth proportional to 4,882.74, 7,324.47 and 1,764.60 is: 2,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.74 : 7,324.47 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    4,882.74/7,324.47 = 1,764.60/x
  3. Step 3: Cross multiply
    4,882.74x = 7,324.47 × 1,764.60
  4. Step 4: Simplify right side
    4,882.74x = 12,924,759.76
  5. Step 5: Solve for x
    x = 12,924,759.76/4,882.74
  6. Step 6: Final answer
    x = 2,647.03

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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.