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Finding the Fourth Proportional to 6,812.37, 9,401.94 and 4,159.22

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Solution

The fourth proportional to 6,812.37, 9,401.94 and 4,159.22 is: 5,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.37 : 9,401.94 = 4,159.22 : x
  2. Step 2: Convert to fraction form
    6,812.37/9,401.94 = 4,159.22/x
  3. Step 3: Cross multiply
    6,812.37x = 9,401.94 × 4,159.22
  4. Step 4: Simplify right side
    6,812.37x = 39,104,689.88
  5. Step 5: Solve for x
    x = 39,104,689.88/6,812.37
  6. Step 6: Final answer
    x = 5,740.25

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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.