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Finding the Fourth Proportional to 7,223.92, 10,772.73 and 6,427.48

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Solution

The fourth proportional to 7,223.92, 10,772.73 and 6,427.48 is: 9,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.92 : 10,772.73 = 6,427.48 : x
  2. Step 2: Convert to fraction form
    7,223.92/10,772.73 = 6,427.48/x
  3. Step 3: Cross multiply
    7,223.92x = 10,772.73 × 6,427.48
  4. Step 4: Simplify right side
    7,223.92x = 69,241,506.62
  5. Step 5: Solve for x
    x = 69,241,506.62/7,223.92
  6. Step 6: Final answer
    x = 9,585.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.