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Finding the Fourth Proportional to 6,373.99, 8,796.28 and 3,721.64

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Solution

The fourth proportional to 6,373.99, 8,796.28 and 3,721.64 is: 5,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.99 : 8,796.28 = 3,721.64 : x
  2. Step 2: Convert to fraction form
    6,373.99/8,796.28 = 3,721.64/x
  3. Step 3: Cross multiply
    6,373.99x = 8,796.28 × 3,721.64
  4. Step 4: Simplify right side
    6,373.99x = 32,736,587.50
  5. Step 5: Solve for x
    x = 32,736,587.50/6,373.99
  6. Step 6: Final answer
    x = 5,135.97

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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.