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Finding the Fourth Proportional to 76,704.59, 105,826.96 and 44,850.94

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Solution

The fourth proportional to 76,704.59, 105,826.96 and 44,850.94 is: 61,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,704.59 : 105,826.96 = 44,850.94 : x
  2. Step 2: Convert to fraction form
    76,704.59/105,826.96 = 44,850.94/x
  3. Step 3: Cross multiply
    76,704.59x = 105,826.96 × 44,850.94
  4. Step 4: Simplify right side
    76,704.59x = 4,746,438,633.34
  5. Step 5: Solve for x
    x = 4,746,438,633.34/76,704.59
  6. Step 6: Final answer
    x = 61,879.46

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1.5x scale

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.