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Finding the Fourth Proportional to 5,775.88, 8,655.97 and 3,275.89

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Solution

The fourth proportional to 5,775.88, 8,655.97 and 3,275.89 is: 4,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.88 : 8,655.97 = 3,275.89 : x
  2. Step 2: Convert to fraction form
    5,775.88/8,655.97 = 3,275.89/x
  3. Step 3: Cross multiply
    5,775.88x = 8,655.97 × 3,275.89
  4. Step 4: Simplify right side
    5,775.88x = 28,356,005.56
  5. Step 5: Solve for x
    x = 28,356,005.56/5,775.88
  6. Step 6: Final answer
    x = 4,909.38

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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.