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Finding the Fourth Proportional to 41,472,040.80, 58,120,576.80 and 41,472,040.80

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Solution

The fourth proportional to 41,472,040.80, 58,120,576.80 and 41,472,040.80 is: 58,120,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472,040.80 : 58,120,576.80 = 41,472,040.80 : x
  2. Step 2: Convert to fraction form
    41,472,040.80/58,120,576.80 = 41,472,040.80/x
  3. Step 3: Cross multiply
    41,472,040.80x = 58,120,576.80 × 41,472,040.80
  4. Step 4: Simplify right side
    41,472,040.80x = 2,410,378,932,369,133
  5. Step 5: Solve for x
    x = 2,410,378,932,369,133/41,472,040.80
  6. Step 6: Final answer
    x = 58,120,576.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.