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Finding the Fourth Proportional to 18,068.76, 27,096.66 and 7,677

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Solution

The fourth proportional to 18,068.76, 27,096.66 and 7,677 is: 11,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.76 : 27,096.66 = 7,677 : x
  2. Step 2: Convert to fraction form
    18,068.76/27,096.66 = 7,677/x
  3. Step 3: Cross multiply
    18,068.76x = 27,096.66 × 7,677
  4. Step 4: Simplify right side
    18,068.76x = 208,021,058.82
  5. Step 5: Solve for x
    x = 208,021,058.82/18,068.76
  6. Step 6: Final answer
    x = 11,512.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.