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Finding the Fourth Proportional to 6,622.92, 9,136.26 and 5,048.28

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Solution

The fourth proportional to 6,622.92, 9,136.26 and 5,048.28 is: 6,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.92 : 9,136.26 = 5,048.28 : x
  2. Step 2: Convert to fraction form
    6,622.92/9,136.26 = 5,048.28/x
  3. Step 3: Cross multiply
    6,622.92x = 9,136.26 × 5,048.28
  4. Step 4: Simplify right side
    6,622.92x = 46,122,398.63
  5. Step 5: Solve for x
    x = 46,122,398.63/6,622.92
  6. Step 6: Final answer
    x = 6,964.06

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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.