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Finding the Fourth Proportional to 82,379.76, 113,684.88 and 44,653.92

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Solution

The fourth proportional to 82,379.76, 113,684.88 and 44,653.92 is: 61,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,379.76 : 113,684.88 = 44,653.92 : x
  2. Step 2: Convert to fraction form
    82,379.76/113,684.88 = 44,653.92/x
  3. Step 3: Cross multiply
    82,379.76x = 113,684.88 × 44,653.92
  4. Step 4: Simplify right side
    82,379.76x = 5,076,475,536.73
  5. Step 5: Solve for x
    x = 5,076,475,536.73/82,379.76
  6. Step 6: Final answer
    x = 61,622.85

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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.