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Finding the Fourth Proportional to 1,454.63, 2,007.52 and 833.63

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Solution

The fourth proportional to 1,454.63, 2,007.52 and 833.63 is: 1,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.63 : 2,007.52 = 833.63 : x
  2. Step 2: Convert to fraction form
    1,454.63/2,007.52 = 833.63/x
  3. Step 3: Cross multiply
    1,454.63x = 2,007.52 × 833.63
  4. Step 4: Simplify right side
    1,454.63x = 1,673,516.78
  5. Step 5: Solve for x
    x = 1,673,516.78/1,454.63
  6. Step 6: Final answer
    x = 1,150.48

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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.