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Finding the Fourth Proportional to 9,239.97, 13,859.97 and 4,313.07

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Solution

The fourth proportional to 9,239.97, 13,859.97 and 4,313.07 is: 6,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.97 : 13,859.97 = 4,313.07 : x
  2. Step 2: Convert to fraction form
    9,239.97/13,859.97 = 4,313.07/x
  3. Step 3: Cross multiply
    9,239.97x = 13,859.97 × 4,313.07
  4. Step 4: Simplify right side
    9,239.97x = 59,779,020.81
  5. Step 5: Solve for x
    x = 59,779,020.81/9,239.97
  6. Step 6: Final answer
    x = 6,469.61

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Similar ratio
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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.