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Finding the Fourth Proportional to 50,580.40, 69,790.53 and 29,065.99

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Solution

The fourth proportional to 50,580.40, 69,790.53 and 29,065.99 is: 40,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.40 : 69,790.53 = 29,065.99 : x
  2. Step 2: Convert to fraction form
    50,580.40/69,790.53 = 29,065.99/x
  3. Step 3: Cross multiply
    50,580.40x = 69,790.53 × 29,065.99
  4. Step 4: Simplify right side
    50,580.40x = 2,028,530,352.79
  5. Step 5: Solve for x
    x = 2,028,530,352.79/50,580.40
  6. Step 6: Final answer
    x = 40,105.07

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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.