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Finding the Fourth Proportional to 3,846.15, 5,763.15 and 3,323.70

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Solution

The fourth proportional to 3,846.15, 5,763.15 and 3,323.70 is: 4,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.15 : 5,763.15 = 3,323.70 : x
  2. Step 2: Convert to fraction form
    3,846.15/5,763.15 = 3,323.70/x
  3. Step 3: Cross multiply
    3,846.15x = 5,763.15 × 3,323.70
  4. Step 4: Simplify right side
    3,846.15x = 19,154,981.66
  5. Step 5: Solve for x
    x = 19,154,981.66/3,846.15
  6. Step 6: Final answer
    x = 4,980.30

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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.