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Finding the Fourth Proportional to 1,576.66, 2,160.03 and 1,517.54

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Solution

The fourth proportional to 1,576.66, 2,160.03 and 1,517.54 is: 2,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.66 : 2,160.03 = 1,517.54 : x
  2. Step 2: Convert to fraction form
    1,576.66/2,160.03 = 1,517.54/x
  3. Step 3: Cross multiply
    1,576.66x = 2,160.03 × 1,517.54
  4. Step 4: Simplify right side
    1,576.66x = 3,277,924.36
  5. Step 5: Solve for x
    x = 3,277,924.36/1,576.66
  6. Step 6: Final answer
    x = 2,079.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.