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Finding the Fourth Proportional to 11,073.90, 16,583.87 and 7,323.40

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Solution

The fourth proportional to 11,073.90, 16,583.87 and 7,323.40 is: 10,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.90 : 16,583.87 = 7,323.40 : x
  2. Step 2: Convert to fraction form
    11,073.90/16,583.87 = 7,323.40/x
  3. Step 3: Cross multiply
    11,073.90x = 16,583.87 × 7,323.40
  4. Step 4: Simplify right side
    11,073.90x = 121,450,352.60
  5. Step 5: Solve for x
    x = 121,450,352.60/11,073.90
  6. Step 6: Final answer
    x = 10,967.26

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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.