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Finding the Fourth Proportional to 2,368.35, 3,553.02 and 725.00

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Solution

The fourth proportional to 2,368.35, 3,553.02 and 725.00 is: 1,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.35 : 3,553.02 = 725.00 : x
  2. Step 2: Convert to fraction form
    2,368.35/3,553.02 = 725.00/x
  3. Step 3: Cross multiply
    2,368.35x = 3,553.02 × 725.00
  4. Step 4: Simplify right side
    2,368.35x = 2,575,921.73
  5. Step 5: Solve for x
    x = 2,575,921.73/2,368.35
  6. Step 6: Final answer
    x = 1,087.64

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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.