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Finding the Fourth Proportional to 7,694.55, 10,619.13 and 4,338.03

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Solution

The fourth proportional to 7,694.55, 10,619.13 and 4,338.03 is: 5,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.55 : 10,619.13 = 4,338.03 : x
  2. Step 2: Convert to fraction form
    7,694.55/10,619.13 = 4,338.03/x
  3. Step 3: Cross multiply
    7,694.55x = 10,619.13 × 4,338.03
  4. Step 4: Simplify right side
    7,694.55x = 46,066,104.51
  5. Step 5: Solve for x
    x = 46,066,104.51/7,694.55
  6. Step 6: Final answer
    x = 5,986.85

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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.