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Finding the Fourth Proportional to 1,334.45, 1,841.24 and 957.53

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Solution

The fourth proportional to 1,334.45, 1,841.24 and 957.53 is: 1,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.45 : 1,841.24 = 957.53 : x
  2. Step 2: Convert to fraction form
    1,334.45/1,841.24 = 957.53/x
  3. Step 3: Cross multiply
    1,334.45x = 1,841.24 × 957.53
  4. Step 4: Simplify right side
    1,334.45x = 1,763,028.54
  5. Step 5: Solve for x
    x = 1,763,028.54/1,334.45
  6. Step 6: Final answer
    x = 1,321.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.