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Finding the Fourth Proportional to 6,333.74, 8,743 and 5,669.42

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Solution

The fourth proportional to 6,333.74, 8,743 and 5,669.42 is: 7,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,333.74 : 8,743 = 5,669.42 : x
  2. Step 2: Convert to fraction form
    6,333.74/8,743 = 5,669.42/x
  3. Step 3: Cross multiply
    6,333.74x = 8,743 × 5,669.42
  4. Step 4: Simplify right side
    6,333.74x = 49,567,739.06
  5. Step 5: Solve for x
    x = 49,567,739.06/6,333.74
  6. Step 6: Final answer
    x = 7,825.98

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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.