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Finding the Fourth Proportional to 5,134.74, 7,700.22 and 1,846.95

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Solution

The fourth proportional to 5,134.74, 7,700.22 and 1,846.95 is: 2,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.74 : 7,700.22 = 1,846.95 : x
  2. Step 2: Convert to fraction form
    5,134.74/7,700.22 = 1,846.95/x
  3. Step 3: Cross multiply
    5,134.74x = 7,700.22 × 1,846.95
  4. Step 4: Simplify right side
    5,134.74x = 14,221,921.33
  5. Step 5: Solve for x
    x = 14,221,921.33/5,134.74
  6. Step 6: Final answer
    x = 2,769.75

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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.