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Finding the Fourth Proportional to 9,293.69, 13,945.19 and 8,069.51

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Solution

The fourth proportional to 9,293.69, 13,945.19 and 8,069.51 is: 12,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.69 : 13,945.19 = 8,069.51 : x
  2. Step 2: Convert to fraction form
    9,293.69/13,945.19 = 8,069.51/x
  3. Step 3: Cross multiply
    9,293.69x = 13,945.19 × 8,069.51
  4. Step 4: Simplify right side
    9,293.69x = 112,530,740.08
  5. Step 5: Solve for x
    x = 112,530,740.08/9,293.69
  6. Step 6: Final answer
    x = 12,108.30

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1.5x scale

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.