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Finding the Fourth Proportional to 18,076.88, 24,938.48 and 12,110.48

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Solution

The fourth proportional to 18,076.88, 24,938.48 and 12,110.48 is: 16,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.88 : 24,938.48 = 12,110.48 : x
  2. Step 2: Convert to fraction form
    18,076.88/24,938.48 = 12,110.48/x
  3. Step 3: Cross multiply
    18,076.88x = 24,938.48 × 12,110.48
  4. Step 4: Simplify right side
    18,076.88x = 302,016,963.27
  5. Step 5: Solve for x
    x = 302,016,963.27/18,076.88
  6. Step 6: Final answer
    x = 16,707.36

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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.