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Finding the Fourth Proportional to 77,313.27, 115,933.34 and 29,950.54

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Solution

The fourth proportional to 77,313.27, 115,933.34 and 29,950.54 is: 44,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.27 : 115,933.34 = 29,950.54 : x
  2. Step 2: Convert to fraction form
    77,313.27/115,933.34 = 29,950.54/x
  3. Step 3: Cross multiply
    77,313.27x = 115,933.34 × 29,950.54
  4. Step 4: Simplify right side
    77,313.27x = 3,472,266,137.00
  5. Step 5: Solve for x
    x = 3,472,266,137.00/77,313.27
  6. Step 6: Final answer
    x = 44,911.65

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1.5x scale

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.