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Finding the Fourth Proportional to 6,393.67, 8,823.25 and 3,740.56

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Solution

The fourth proportional to 6,393.67, 8,823.25 and 3,740.56 is: 5,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.67 : 8,823.25 = 3,740.56 : x
  2. Step 2: Convert to fraction form
    6,393.67/8,823.25 = 3,740.56/x
  3. Step 3: Cross multiply
    6,393.67x = 8,823.25 × 3,740.56
  4. Step 4: Simplify right side
    6,393.67x = 33,003,864.61
  5. Step 5: Solve for x
    x = 33,003,864.61/6,393.67
  6. Step 6: Final answer
    x = 5,161.96

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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.