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Finding the Fourth Proportional to 5,405.94, 7,460.04 and 3,048

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Solution

The fourth proportional to 5,405.94, 7,460.04 and 3,048 is: 4,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.94 : 7,460.04 = 3,048 : x
  2. Step 2: Convert to fraction form
    5,405.94/7,460.04 = 3,048/x
  3. Step 3: Cross multiply
    5,405.94x = 7,460.04 × 3,048
  4. Step 4: Simplify right side
    5,405.94x = 22,738,201.92
  5. Step 5: Solve for x
    x = 22,738,201.92/5,405.94
  6. Step 6: Final answer
    x = 4,206.15

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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.