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Finding the Fourth Proportional to 58,632.99, 80,912.73 and 31,775.26

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Solution

The fourth proportional to 58,632.99, 80,912.73 and 31,775.26 is: 43,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,632.99 : 80,912.73 = 31,775.26 : x
  2. Step 2: Convert to fraction form
    58,632.99/80,912.73 = 31,775.26/x
  3. Step 3: Cross multiply
    58,632.99x = 80,912.73 × 31,775.26
  4. Step 4: Simplify right side
    58,632.99x = 2,571,023,033.06
  5. Step 5: Solve for x
    x = 2,571,023,033.06/58,632.99
  6. Step 6: Final answer
    x = 43,849.43

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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.