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Finding the Fourth Proportional to 1,850.00, 2,553.08 and 1,064.30

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Solution

The fourth proportional to 1,850.00, 2,553.08 and 1,064.30 is: 1,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.00 : 2,553.08 = 1,064.30 : x
  2. Step 2: Convert to fraction form
    1,850.00/2,553.08 = 1,064.30/x
  3. Step 3: Cross multiply
    1,850.00x = 2,553.08 × 1,064.30
  4. Step 4: Simplify right side
    1,850.00x = 2,717,224.96
  5. Step 5: Solve for x
    x = 2,717,224.96/1,850.00
  6. Step 6: Final answer
    x = 1,468.77

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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.