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Finding the Fourth Proportional to 2,383.30, 3,575.30 and 739.98

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Solution

The fourth proportional to 2,383.30, 3,575.30 and 739.98 is: 1,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.30 : 3,575.30 = 739.98 : x
  2. Step 2: Convert to fraction form
    2,383.30/3,575.30 = 739.98/x
  3. Step 3: Cross multiply
    2,383.30x = 3,575.30 × 739.98
  4. Step 4: Simplify right side
    2,383.30x = 2,645,646.79
  5. Step 5: Solve for x
    x = 2,645,646.79/2,383.30
  6. Step 6: Final answer
    x = 1,110.08

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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.