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Finding the Fourth Proportional to 6,576.55, 9,072.64 and 3,922.99

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Solution

The fourth proportional to 6,576.55, 9,072.64 and 3,922.99 is: 5,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576.55 : 9,072.64 = 3,922.99 : x
  2. Step 2: Convert to fraction form
    6,576.55/9,072.64 = 3,922.99/x
  3. Step 3: Cross multiply
    6,576.55x = 9,072.64 × 3,922.99
  4. Step 4: Simplify right side
    6,576.55x = 35,591,875.99
  5. Step 5: Solve for x
    x = 35,591,875.99/6,576.55
  6. Step 6: Final answer
    x = 5,411.94

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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.