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Finding the Fourth Proportional to 45,779.60, 68,562.78 and 44,518.39

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Solution

The fourth proportional to 45,779.60, 68,562.78 and 44,518.39 is: 66,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.60 : 68,562.78 = 44,518.39 : x
  2. Step 2: Convert to fraction form
    45,779.60/68,562.78 = 44,518.39/x
  3. Step 3: Cross multiply
    45,779.60x = 68,562.78 × 44,518.39
  4. Step 4: Simplify right side
    45,779.60x = 3,052,304,579.52
  5. Step 5: Solve for x
    x = 3,052,304,579.52/45,779.60
  6. Step 6: Final answer
    x = 66,673.90

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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.