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Finding the Fourth Proportional to 18,241.47, 27,469.56 and 15,929.19

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Solution

The fourth proportional to 18,241.47, 27,469.56 and 15,929.19 is: 23,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.47 : 27,469.56 = 15,929.19 : x
  2. Step 2: Convert to fraction form
    18,241.47/27,469.56 = 15,929.19/x
  3. Step 3: Cross multiply
    18,241.47x = 27,469.56 × 15,929.19
  4. Step 4: Simplify right side
    18,241.47x = 437,567,840.46
  5. Step 5: Solve for x
    x = 437,567,840.46/18,241.47
  6. Step 6: Final answer
    x = 23,987.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.