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Finding the Fourth Proportional to 4,962.62, 7,406.24 and 4,761.69

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Solution

The fourth proportional to 4,962.62, 7,406.24 and 4,761.69 is: 7,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.62 : 7,406.24 = 4,761.69 : x
  2. Step 2: Convert to fraction form
    4,962.62/7,406.24 = 4,761.69/x
  3. Step 3: Cross multiply
    4,962.62x = 7,406.24 × 4,761.69
  4. Step 4: Simplify right side
    4,962.62x = 35,266,167.36
  5. Step 5: Solve for x
    x = 35,266,167.36/4,962.62
  6. Step 6: Final answer
    x = 7,106.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.