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Finding the Fourth Proportional to 1,516.97, 2,092.86 and 957.24

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Solution

The fourth proportional to 1,516.97, 2,092.86 and 957.24 is: 1,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.97 : 2,092.86 = 957.24 : x
  2. Step 2: Convert to fraction form
    1,516.97/2,092.86 = 957.24/x
  3. Step 3: Cross multiply
    1,516.97x = 2,092.86 × 957.24
  4. Step 4: Simplify right side
    1,516.97x = 2,003,365.21
  5. Step 5: Solve for x
    x = 2,003,365.21/1,516.97
  6. Step 6: Final answer
    x = 1,320.63

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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.