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Finding the Fourth Proportional to 2,036.87, 3,055.25 and 576

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Solution

The fourth proportional to 2,036.87, 3,055.25 and 576 is: 863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.87 : 3,055.25 = 576 : x
  2. Step 2: Convert to fraction form
    2,036.87/3,055.25 = 576/x
  3. Step 3: Cross multiply
    2,036.87x = 3,055.25 × 576
  4. Step 4: Simplify right side
    2,036.87x = 1,759,821.12
  5. Step 5: Solve for x
    x = 1,759,821.12/2,036.87
  6. Step 6: Final answer
    x = 863.99

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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.