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Finding the Fourth Proportional to 1,610.74, 2,223.82 and 1,022.28

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Solution

The fourth proportional to 1,610.74, 2,223.82 and 1,022.28 is: 1,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.74 : 2,223.82 = 1,022.28 : x
  2. Step 2: Convert to fraction form
    1,610.74/2,223.82 = 1,022.28/x
  3. Step 3: Cross multiply
    1,610.74x = 2,223.82 × 1,022.28
  4. Step 4: Simplify right side
    1,610.74x = 2,273,366.71
  5. Step 5: Solve for x
    x = 2,273,366.71/1,610.74
  6. Step 6: Final answer
    x = 1,411.38

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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.