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Finding the Fourth Proportional to 29,940.40, 44,911.92 and 9,950.56

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Solution

The fourth proportional to 29,940.40, 44,911.92 and 9,950.56 is: 14,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.40 : 44,911.92 = 9,950.56 : x
  2. Step 2: Convert to fraction form
    29,940.40/44,911.92 = 9,950.56/x
  3. Step 3: Cross multiply
    29,940.40x = 44,911.92 × 9,950.56
  4. Step 4: Simplify right side
    29,940.40x = 446,898,754.68
  5. Step 5: Solve for x
    x = 446,898,754.68/29,940.40
  6. Step 6: Final answer
    x = 14,926.28

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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.