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Finding the Fourth Proportional to 18,151.48, 25,051.76 and 11,082

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Solution

The fourth proportional to 18,151.48, 25,051.76 and 11,082 is: 15,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.48 : 25,051.76 = 11,082 : x
  2. Step 2: Convert to fraction form
    18,151.48/25,051.76 = 11,082/x
  3. Step 3: Cross multiply
    18,151.48x = 25,051.76 × 11,082
  4. Step 4: Simplify right side
    18,151.48x = 277,623,604.32
  5. Step 5: Solve for x
    x = 277,623,604.32/18,151.48
  6. Step 6: Final answer
    x = 15,294.82

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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.