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Finding the Fourth Proportional to 9,907.96, 13,668.27 and 5,928.27

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Solution

The fourth proportional to 9,907.96, 13,668.27 and 5,928.27 is: 8,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.96 : 13,668.27 = 5,928.27 : x
  2. Step 2: Convert to fraction form
    9,907.96/13,668.27 = 5,928.27/x
  3. Step 3: Cross multiply
    9,907.96x = 13,668.27 × 5,928.27
  4. Step 4: Simplify right side
    9,907.96x = 81,029,194.99
  5. Step 5: Solve for x
    x = 81,029,194.99/9,907.96
  6. Step 6: Final answer
    x = 8,178.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.