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Finding the Fourth Proportional to 76,703.70, 105,879.99 and 44,882.85

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Solution

The fourth proportional to 76,703.70, 105,879.99 and 44,882.85 is: 61,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703.70 : 105,879.99 = 44,882.85 : x
  2. Step 2: Convert to fraction form
    76,703.70/105,879.99 = 44,882.85/x
  3. Step 3: Cross multiply
    76,703.70x = 105,879.99 × 44,882.85
  4. Step 4: Simplify right side
    76,703.70x = 4,752,195,709.17
  5. Step 5: Solve for x
    x = 4,752,195,709.17/76,703.70
  6. Step 6: Final answer
    x = 61,955.23

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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.