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Finding the Fourth Proportional to 6,401.36, 8,833.24 and 4,723.68

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Solution

The fourth proportional to 6,401.36, 8,833.24 and 4,723.68 is: 6,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.36 : 8,833.24 = 4,723.68 : x
  2. Step 2: Convert to fraction form
    6,401.36/8,833.24 = 4,723.68/x
  3. Step 3: Cross multiply
    6,401.36x = 8,833.24 × 4,723.68
  4. Step 4: Simplify right side
    6,401.36x = 41,725,399.12
  5. Step 5: Solve for x
    x = 41,725,399.12/6,401.36
  6. Step 6: Final answer
    x = 6,518.21

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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.