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Finding the Fourth Proportional to 4,336.80, 6,510.06 and 3,040.80

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Solution

The fourth proportional to 4,336.80, 6,510.06 and 3,040.80 is: 4,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,336.80 : 6,510.06 = 3,040.80 : x
  2. Step 2: Convert to fraction form
    4,336.80/6,510.06 = 3,040.80/x
  3. Step 3: Cross multiply
    4,336.80x = 6,510.06 × 3,040.80
  4. Step 4: Simplify right side
    4,336.80x = 19,795,790.45
  5. Step 5: Solve for x
    x = 19,795,790.45/4,336.80
  6. Step 6: Final answer
    x = 4,564.61

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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.