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Finding the Fourth Proportional to 1,855.99, 2,784.07 and 1,033.64

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Solution

The fourth proportional to 1,855.99, 2,784.07 and 1,033.64 is: 1,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.99 : 2,784.07 = 1,033.64 : x
  2. Step 2: Convert to fraction form
    1,855.99/2,784.07 = 1,033.64/x
  3. Step 3: Cross multiply
    1,855.99x = 2,784.07 × 1,033.64
  4. Step 4: Simplify right side
    1,855.99x = 2,877,726.11
  5. Step 5: Solve for x
    x = 2,877,726.11/1,855.99
  6. Step 6: Final answer
    x = 1,550.51

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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.