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Finding the Fourth Proportional to 1,944.67, 2,917.02 and 483.83

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Solution

The fourth proportional to 1,944.67, 2,917.02 and 483.83 is: 725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.67 : 2,917.02 = 483.83 : x
  2. Step 2: Convert to fraction form
    1,944.67/2,917.02 = 483.83/x
  3. Step 3: Cross multiply
    1,944.67x = 2,917.02 × 483.83
  4. Step 4: Simplify right side
    1,944.67x = 1,411,327.83
  5. Step 5: Solve for x
    x = 1,411,327.83/1,944.67
  6. Step 6: Final answer
    x = 725.74

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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.