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Finding the Fourth Proportional to 10,100, 13,938.06 and 5,684

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Solution

The fourth proportional to 10,100, 13,938.06 and 5,684 is: 7,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100 : 13,938.06 = 5,684 : x
  2. Step 2: Convert to fraction form
    10,100/13,938.06 = 5,684/x
  3. Step 3: Cross multiply
    10,100x = 13,938.06 × 5,684
  4. Step 4: Simplify right side
    10,100x = 79,223,933.04
  5. Step 5: Solve for x
    x = 79,223,933.04/10,100
  6. Step 6: Final answer
    x = 7,843.95

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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.