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Finding the Fourth Proportional to 6,105, 9,160.56 and 2,409.84

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Solution

The fourth proportional to 6,105, 9,160.56 and 2,409.84 is: 3,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105 : 9,160.56 = 2,409.84 : x
  2. Step 2: Convert to fraction form
    6,105/9,160.56 = 2,409.84/x
  3. Step 3: Cross multiply
    6,105x = 9,160.56 × 2,409.84
  4. Step 4: Simplify right side
    6,105x = 22,075,483.91
  5. Step 5: Solve for x
    x = 22,075,483.91/6,105
  6. Step 6: Final answer
    x = 3,615.97

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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.