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Finding the Fourth Proportional to 8,243.10, 12,365.01 and 2,696.42

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Solution

The fourth proportional to 8,243.10, 12,365.01 and 2,696.42 is: 4,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.10 : 12,365.01 = 2,696.42 : x
  2. Step 2: Convert to fraction form
    8,243.10/12,365.01 = 2,696.42/x
  3. Step 3: Cross multiply
    8,243.10x = 12,365.01 × 2,696.42
  4. Step 4: Simplify right side
    8,243.10x = 33,341,260.26
  5. Step 5: Solve for x
    x = 33,341,260.26/8,243.10
  6. Step 6: Final answer
    x = 4,044.75

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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.