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Finding the Fourth Proportional to 27,388.55, 37,796.20 and 14,813.30

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Solution

The fourth proportional to 27,388.55, 37,796.20 and 14,813.30 is: 20,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.55 : 37,796.20 = 14,813.30 : x
  2. Step 2: Convert to fraction form
    27,388.55/37,796.20 = 14,813.30/x
  3. Step 3: Cross multiply
    27,388.55x = 37,796.20 × 14,813.30
  4. Step 4: Simplify right side
    27,388.55x = 559,886,294.31
  5. Step 5: Solve for x
    x = 559,886,294.31/27,388.55
  6. Step 6: Final answer
    x = 20,442.35

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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.