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Finding the Fourth Proportional to 6,751.92, 9,316.22 and 4,962.20

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Solution

The fourth proportional to 6,751.92, 9,316.22 and 4,962.20 is: 6,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.92 : 9,316.22 = 4,962.20 : x
  2. Step 2: Convert to fraction form
    6,751.92/9,316.22 = 4,962.20/x
  3. Step 3: Cross multiply
    6,751.92x = 9,316.22 × 4,962.20
  4. Step 4: Simplify right side
    6,751.92x = 46,228,946.88
  5. Step 5: Solve for x
    x = 46,228,946.88/6,751.92
  6. Step 6: Final answer
    x = 6,846.79

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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.