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Finding the Fourth Proportional to 3,297.84, 4,945.60 and 957.21

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Solution

The fourth proportional to 3,297.84, 4,945.60 and 957.21 is: 1,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.84 : 4,945.60 = 957.21 : x
  2. Step 2: Convert to fraction form
    3,297.84/4,945.60 = 957.21/x
  3. Step 3: Cross multiply
    3,297.84x = 4,945.60 × 957.21
  4. Step 4: Simplify right side
    3,297.84x = 4,733,977.78
  5. Step 5: Solve for x
    x = 4,733,977.78/3,297.84
  6. Step 6: Final answer
    x = 1,435.48

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1.5x scale

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.