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Finding the Fourth Proportional to 6,321.80, 9,482.70 and 3,401.48

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Solution

The fourth proportional to 6,321.80, 9,482.70 and 3,401.48 is: 5,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.80 : 9,482.70 = 3,401.48 : x
  2. Step 2: Convert to fraction form
    6,321.80/9,482.70 = 3,401.48/x
  3. Step 3: Cross multiply
    6,321.80x = 9,482.70 × 3,401.48
  4. Step 4: Simplify right side
    6,321.80x = 32,255,214.40
  5. Step 5: Solve for x
    x = 32,255,214.40/6,321.80
  6. Step 6: Final answer
    x = 5,102.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.