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Finding the Fourth Proportional to 9,361.93, 12,901.71 and 6,704.72

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Solution

The fourth proportional to 9,361.93, 12,901.71 and 6,704.72 is: 9,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.93 : 12,901.71 = 6,704.72 : x
  2. Step 2: Convert to fraction form
    9,361.93/12,901.71 = 6,704.72/x
  3. Step 3: Cross multiply
    9,361.93x = 12,901.71 × 6,704.72
  4. Step 4: Simplify right side
    9,361.93x = 86,502,378.09
  5. Step 5: Solve for x
    x = 86,502,378.09/9,361.93
  6. Step 6: Final answer
    x = 9,239.80

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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.