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Finding the Fourth Proportional to 58,292.40, 80,371.80 and 43,163.76

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Solution

The fourth proportional to 58,292.40, 80,371.80 and 43,163.76 is: 59,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,292.40 : 80,371.80 = 43,163.76 : x
  2. Step 2: Convert to fraction form
    58,292.40/80,371.80 = 43,163.76/x
  3. Step 3: Cross multiply
    58,292.40x = 80,371.80 × 43,163.76
  4. Step 4: Simplify right side
    58,292.40x = 3,469,149,085.97
  5. Step 5: Solve for x
    x = 3,469,149,085.97/58,292.40
  6. Step 6: Final answer
    x = 59,512.89

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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.