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Finding the Fourth Proportional to 27,388.67, 37,796.37 and 14,813.42

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Solution

The fourth proportional to 27,388.67, 37,796.37 and 14,813.42 is: 20,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.67 : 37,796.37 = 14,813.42 : x
  2. Step 2: Convert to fraction form
    27,388.67/37,796.37 = 14,813.42/x
  3. Step 3: Cross multiply
    27,388.67x = 37,796.37 × 14,813.42
  4. Step 4: Simplify right side
    27,388.67x = 559,893,597.78
  5. Step 5: Solve for x
    x = 559,893,597.78/27,388.67
  6. Step 6: Final answer
    x = 20,442.52

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1.5x scale

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.