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Finding the Fourth Proportional to 9,268.85, 13,890.92 and 8,030.49

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Solution

The fourth proportional to 9,268.85, 13,890.92 and 8,030.49 is: 12,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.85 : 13,890.92 = 8,030.49 : x
  2. Step 2: Convert to fraction form
    9,268.85/13,890.92 = 8,030.49/x
  3. Step 3: Cross multiply
    9,268.85x = 13,890.92 × 8,030.49
  4. Step 4: Simplify right side
    9,268.85x = 111,550,854.00
  5. Step 5: Solve for x
    x = 111,550,854.00/9,268.85
  6. Step 6: Final answer
    x = 12,035.03

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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.