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Finding the Fourth Proportional to 3,351, 4,624.38 and 1,954.02

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Solution

The fourth proportional to 3,351, 4,624.38 and 1,954.02 is: 2,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351 : 4,624.38 = 1,954.02 : x
  2. Step 2: Convert to fraction form
    3,351/4,624.38 = 1,954.02/x
  3. Step 3: Cross multiply
    3,351x = 4,624.38 × 1,954.02
  4. Step 4: Simplify right side
    3,351x = 9,036,131.01
  5. Step 5: Solve for x
    x = 9,036,131.01/3,351
  6. Step 6: Final answer
    x = 2,696.55

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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.