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Finding the Fourth Proportional to 10,094, 13,929.76 and 5,678

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Solution

The fourth proportional to 10,094, 13,929.76 and 5,678 is: 7,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094 : 13,929.76 = 5,678 : x
  2. Step 2: Convert to fraction form
    10,094/13,929.76 = 5,678/x
  3. Step 3: Cross multiply
    10,094x = 13,929.76 × 5,678
  4. Step 4: Simplify right side
    10,094x = 79,093,177.28
  5. Step 5: Solve for x
    x = 79,093,177.28/10,094
  6. Step 6: Final answer
    x = 7,835.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.