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Finding the Fourth Proportional to 57,779.82, 79,735.11 and 32,286.66

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Solution

The fourth proportional to 57,779.82, 79,735.11 and 32,286.66 is: 44,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.82 : 79,735.11 = 32,286.66 : x
  2. Step 2: Convert to fraction form
    57,779.82/79,735.11 = 32,286.66/x
  3. Step 3: Cross multiply
    57,779.82x = 79,735.11 × 32,286.66
  4. Step 4: Simplify right side
    57,779.82x = 2,574,380,386.63
  5. Step 5: Solve for x
    x = 2,574,380,386.63/57,779.82
  6. Step 6: Final answer
    x = 44,555.01

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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.