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Finding the Fourth Proportional to 8,243.30, 12,365.71 and 2,696.67

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Solution

The fourth proportional to 8,243.30, 12,365.71 and 2,696.67 is: 4,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.30 : 12,365.71 = 2,696.67 : x
  2. Step 2: Convert to fraction form
    8,243.30/12,365.71 = 2,696.67/x
  3. Step 3: Cross multiply
    8,243.30x = 12,365.71 × 2,696.67
  4. Step 4: Simplify right side
    8,243.30x = 33,346,239.19
  5. Step 5: Solve for x
    x = 33,346,239.19/8,243.30
  6. Step 6: Final answer
    x = 4,045.25

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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.