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Finding the Fourth Proportional to 5,776.69, 7,962.43 and 4,515.52

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Solution

The fourth proportional to 5,776.69, 7,962.43 and 4,515.52 is: 6,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.69 : 7,962.43 = 4,515.52 : x
  2. Step 2: Convert to fraction form
    5,776.69/7,962.43 = 4,515.52/x
  3. Step 3: Cross multiply
    5,776.69x = 7,962.43 × 4,515.52
  4. Step 4: Simplify right side
    5,776.69x = 35,954,511.91
  5. Step 5: Solve for x
    x = 35,954,511.91/5,776.69
  6. Step 6: Final answer
    x = 6,224.07

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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.