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Finding the Fourth Proportional to 1,454.22, 2,006.64 and 848.61

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Solution

The fourth proportional to 1,454.22, 2,006.64 and 848.61 is: 1,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.22 : 2,006.64 = 848.61 : x
  2. Step 2: Convert to fraction form
    1,454.22/2,006.64 = 848.61/x
  3. Step 3: Cross multiply
    1,454.22x = 2,006.64 × 848.61
  4. Step 4: Simplify right side
    1,454.22x = 1,702,854.77
  5. Step 5: Solve for x
    x = 1,702,854.77/1,454.22
  6. Step 6: Final answer
    x = 1,170.97

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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.