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Finding the Fourth Proportional to 3,476.65, 4,797.68 and 1,984.27

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Solution

The fourth proportional to 3,476.65, 4,797.68 and 1,984.27 is: 2,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.65 : 4,797.68 = 1,984.27 : x
  2. Step 2: Convert to fraction form
    3,476.65/4,797.68 = 1,984.27/x
  3. Step 3: Cross multiply
    3,476.65x = 4,797.68 × 1,984.27
  4. Step 4: Simplify right side
    3,476.65x = 9,519,904.23
  5. Step 5: Solve for x
    x = 9,519,904.23/3,476.65
  6. Step 6: Final answer
    x = 2,738.24

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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.