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Finding the Fourth Proportional to 1,904.99, 2,858.09 and 735.48

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Solution

The fourth proportional to 1,904.99, 2,858.09 and 735.48 is: 1,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.99 : 2,858.09 = 735.48 : x
  2. Step 2: Convert to fraction form
    1,904.99/2,858.09 = 735.48/x
  3. Step 3: Cross multiply
    1,904.99x = 2,858.09 × 735.48
  4. Step 4: Simplify right side
    1,904.99x = 2,102,064.36
  5. Step 5: Solve for x
    x = 2,102,064.36/1,904.99
  6. Step 6: Final answer
    x = 1,103.45

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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.