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Finding the Fourth Proportional to 53,940.71, 80,911.07 and 34,177.67

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Solution

The fourth proportional to 53,940.71, 80,911.07 and 34,177.67 is: 51,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.71 : 80,911.07 = 34,177.67 : x
  2. Step 2: Convert to fraction form
    53,940.71/80,911.07 = 34,177.67/x
  3. Step 3: Cross multiply
    53,940.71x = 80,911.07 × 34,177.67
  4. Step 4: Simplify right side
    53,940.71x = 2,765,351,849.81
  5. Step 5: Solve for x
    x = 2,765,351,849.81/53,940.71
  6. Step 6: Final answer
    x = 51,266.51

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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.