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Finding the Fourth Proportional to 4,773.13, 7,160.74 and 1,961.98

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Solution

The fourth proportional to 4,773.13, 7,160.74 and 1,961.98 is: 2,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.13 : 7,160.74 = 1,961.98 : x
  2. Step 2: Convert to fraction form
    4,773.13/7,160.74 = 1,961.98/x
  3. Step 3: Cross multiply
    4,773.13x = 7,160.74 × 1,961.98
  4. Step 4: Simplify right side
    4,773.13x = 14,049,228.67
  5. Step 5: Solve for x
    x = 14,049,228.67/4,773.13
  6. Step 6: Final answer
    x = 2,943.40

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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.