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Finding the Fourth Proportional to 2,418.35, 3,627.54 and 957.51

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Solution

The fourth proportional to 2,418.35, 3,627.54 and 957.51 is: 1,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.35 : 3,627.54 = 957.51 : x
  2. Step 2: Convert to fraction form
    2,418.35/3,627.54 = 957.51/x
  3. Step 3: Cross multiply
    2,418.35x = 3,627.54 × 957.51
  4. Step 4: Simplify right side
    2,418.35x = 3,473,405.83
  5. Step 5: Solve for x
    x = 3,473,405.83/2,418.35
  6. Step 6: Final answer
    x = 1,436.27

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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.