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Finding the Fourth Proportional to 1,546.06, 2,133.56 and 847.44

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Solution

The fourth proportional to 1,546.06, 2,133.56 and 847.44 is: 1,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.06 : 2,133.56 = 847.44 : x
  2. Step 2: Convert to fraction form
    1,546.06/2,133.56 = 847.44/x
  3. Step 3: Cross multiply
    1,546.06x = 2,133.56 × 847.44
  4. Step 4: Simplify right side
    1,546.06x = 1,808,064.09
  5. Step 5: Solve for x
    x = 1,808,064.09/1,546.06
  6. Step 6: Final answer
    x = 1,169.47

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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.