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Finding the Fourth Proportional to 57,779.40, 79,662.88 and 44,184.06

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Solution

The fourth proportional to 57,779.40, 79,662.88 and 44,184.06 is: 60,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.40 : 79,662.88 = 44,184.06 : x
  2. Step 2: Convert to fraction form
    57,779.40/79,662.88 = 44,184.06/x
  3. Step 3: Cross multiply
    57,779.40x = 79,662.88 × 44,184.06
  4. Step 4: Simplify right side
    57,779.40x = 3,519,829,469.69
  5. Step 5: Solve for x
    x = 3,519,829,469.69/57,779.40
  6. Step 6: Final answer
    x = 60,918.42

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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.