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Finding the Fourth Proportional to 3,779.73, 5,669.60 and 1,471.77

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Solution

The fourth proportional to 3,779.73, 5,669.60 and 1,471.77 is: 2,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.73 : 5,669.60 = 1,471.77 : x
  2. Step 2: Convert to fraction form
    3,779.73/5,669.60 = 1,471.77/x
  3. Step 3: Cross multiply
    3,779.73x = 5,669.60 × 1,471.77
  4. Step 4: Simplify right side
    3,779.73x = 8,344,347.19
  5. Step 5: Solve for x
    x = 8,344,347.19/3,779.73
  6. Step 6: Final answer
    x = 2,207.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.