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Finding the Fourth Proportional to 3,775.51, 5,655.95 and 2,996.95

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Solution

The fourth proportional to 3,775.51, 5,655.95 and 2,996.95 is: 4,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.51 : 5,655.95 = 2,996.95 : x
  2. Step 2: Convert to fraction form
    3,775.51/5,655.95 = 2,996.95/x
  3. Step 3: Cross multiply
    3,775.51x = 5,655.95 × 2,996.95
  4. Step 4: Simplify right side
    3,775.51x = 16,950,584.37
  5. Step 5: Solve for x
    x = 16,950,584.37/3,775.51
  6. Step 6: Final answer
    x = 4,489.61

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1.5x scale

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.