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Finding the Fourth Proportional to 3,231.99, 4,848.09 and 1,040.70

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Solution

The fourth proportional to 3,231.99, 4,848.09 and 1,040.70 is: 1,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.99 : 4,848.09 = 1,040.70 : x
  2. Step 2: Convert to fraction form
    3,231.99/4,848.09 = 1,040.70/x
  3. Step 3: Cross multiply
    3,231.99x = 4,848.09 × 1,040.70
  4. Step 4: Simplify right side
    3,231.99x = 5,045,407.26
  5. Step 5: Solve for x
    x = 5,045,407.26/3,231.99
  6. Step 6: Final answer
    x = 1,561.08

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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.