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Finding the Fourth Proportional to 4,796.65, 6,620.40 and 3,223.84

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Solution

The fourth proportional to 4,796.65, 6,620.40 and 3,223.84 is: 4,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.65 : 6,620.40 = 3,223.84 : x
  2. Step 2: Convert to fraction form
    4,796.65/6,620.40 = 3,223.84/x
  3. Step 3: Cross multiply
    4,796.65x = 6,620.40 × 3,223.84
  4. Step 4: Simplify right side
    4,796.65x = 21,343,077.23
  5. Step 5: Solve for x
    x = 21,343,077.23/4,796.65
  6. Step 6: Final answer
    x = 4,449.58

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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.