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Finding the Fourth Proportional to 23,519, 35,278.50 and 7,103

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Solution

The fourth proportional to 23,519, 35,278.50 and 7,103 is: 10,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,519 : 35,278.50 = 7,103 : x
  2. Step 2: Convert to fraction form
    23,519/35,278.50 = 7,103/x
  3. Step 3: Cross multiply
    23,519x = 35,278.50 × 7,103
  4. Step 4: Simplify right side
    23,519x = 250,583,185.50
  5. Step 5: Solve for x
    x = 250,583,185.50/23,519
  6. Step 6: Final answer
    x = 10,654.50

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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.