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Finding the Fourth Proportional to 3,445.76, 4,755.02 and 1,873.86

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Solution

The fourth proportional to 3,445.76, 4,755.02 and 1,873.86 is: 2,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.76 : 4,755.02 = 1,873.86 : x
  2. Step 2: Convert to fraction form
    3,445.76/4,755.02 = 1,873.86/x
  3. Step 3: Cross multiply
    3,445.76x = 4,755.02 × 1,873.86
  4. Step 4: Simplify right side
    3,445.76x = 8,910,214.58
  5. Step 5: Solve for x
    x = 8,910,214.58/3,445.76
  6. Step 6: Final answer
    x = 2,585.85

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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.