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Finding the Fourth Proportional to 9,999.46, 13,797.67 and 5,749.69

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Solution

The fourth proportional to 9,999.46, 13,797.67 and 5,749.69 is: 7,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.46 : 13,797.67 = 5,749.69 : x
  2. Step 2: Convert to fraction form
    9,999.46/13,797.67 = 5,749.69/x
  3. Step 3: Cross multiply
    9,999.46x = 13,797.67 × 5,749.69
  4. Step 4: Simplify right side
    9,999.46x = 79,332,325.22
  5. Step 5: Solve for x
    x = 79,332,325.22/9,999.46
  6. Step 6: Final answer
    x = 7,933.66

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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.