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Finding the Fourth Proportional to 1,546.92, 2,135.88 and 957.96

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Solution

The fourth proportional to 1,546.92, 2,135.88 and 957.96 is: 1,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.92 : 2,135.88 = 957.96 : x
  2. Step 2: Convert to fraction form
    1,546.92/2,135.88 = 957.96/x
  3. Step 3: Cross multiply
    1,546.92x = 2,135.88 × 957.96
  4. Step 4: Simplify right side
    1,546.92x = 2,046,087.60
  5. Step 5: Solve for x
    x = 2,046,087.60/1,546.92
  6. Step 6: Final answer
    x = 1,322.68

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1.5x scale

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.