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Finding the Fourth Proportional to 6,103, 9,154.50 and 2,455

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Solution

The fourth proportional to 6,103, 9,154.50 and 2,455 is: 3,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103 : 9,154.50 = 2,455 : x
  2. Step 2: Convert to fraction form
    6,103/9,154.50 = 2,455/x
  3. Step 3: Cross multiply
    6,103x = 9,154.50 × 2,455
  4. Step 4: Simplify right side
    6,103x = 22,474,297.50
  5. Step 5: Solve for x
    x = 22,474,297.50/6,103
  6. Step 6: Final answer
    x = 3,682.50

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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.