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Finding the Fourth Proportional to 1,566.56, 2,161.46 and 937.19

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Solution

The fourth proportional to 1,566.56, 2,161.46 and 937.19 is: 1,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.56 : 2,161.46 = 937.19 : x
  2. Step 2: Convert to fraction form
    1,566.56/2,161.46 = 937.19/x
  3. Step 3: Cross multiply
    1,566.56x = 2,161.46 × 937.19
  4. Step 4: Simplify right side
    1,566.56x = 2,025,690.23
  5. Step 5: Solve for x
    x = 2,025,690.23/1,566.56
  6. Step 6: Final answer
    x = 1,293.09

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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.