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Finding the Fourth Proportional to 27,310.68, 37,683.36 and 15,374.52

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Solution

The fourth proportional to 27,310.68, 37,683.36 and 15,374.52 is: 21,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.68 : 37,683.36 = 15,374.52 : x
  2. Step 2: Convert to fraction form
    27,310.68/37,683.36 = 15,374.52/x
  3. Step 3: Cross multiply
    27,310.68x = 37,683.36 × 15,374.52
  4. Step 4: Simplify right side
    27,310.68x = 579,363,571.99
  5. Step 5: Solve for x
    x = 579,363,571.99/27,310.68
  6. Step 6: Final answer
    x = 21,213.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.