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Finding the Fourth Proportional to 56,367.56, 77,697.78 and 44,412.68

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Solution

The fourth proportional to 56,367.56, 77,697.78 and 44,412.68 is: 61,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.56 : 77,697.78 = 44,412.68 : x
  2. Step 2: Convert to fraction form
    56,367.56/77,697.78 = 44,412.68/x
  3. Step 3: Cross multiply
    56,367.56x = 77,697.78 × 44,412.68
  4. Step 4: Simplify right side
    56,367.56x = 3,450,766,639.85
  5. Step 5: Solve for x
    x = 3,450,766,639.85/56,367.56
  6. Step 6: Final answer
    x = 61,219.02

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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.