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Finding the Fourth Proportional to 2,889.98, 4,333.91 and 1,040.60

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Solution

The fourth proportional to 2,889.98, 4,333.91 and 1,040.60 is: 1,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.98 : 4,333.91 = 1,040.60 : x
  2. Step 2: Convert to fraction form
    2,889.98/4,333.91 = 1,040.60/x
  3. Step 3: Cross multiply
    2,889.98x = 4,333.91 × 1,040.60
  4. Step 4: Simplify right side
    2,889.98x = 4,509,848.00
  5. Step 5: Solve for x
    x = 4,509,848.00/2,889.98
  6. Step 6: Final answer
    x = 1,560.51

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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.