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Finding the Fourth Proportional to 3,316.44, 4,576.78 and 1,824.28

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Solution

The fourth proportional to 3,316.44, 4,576.78 and 1,824.28 is: 2,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.44 : 4,576.78 = 1,824.28 : x
  2. Step 2: Convert to fraction form
    3,316.44/4,576.78 = 1,824.28/x
  3. Step 3: Cross multiply
    3,316.44x = 4,576.78 × 1,824.28
  4. Step 4: Simplify right side
    3,316.44x = 8,349,328.22
  5. Step 5: Solve for x
    x = 8,349,328.22/3,316.44
  6. Step 6: Final answer
    x = 2,517.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.