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Finding the Fourth Proportional to 1,483.66, 2,227.87 and 964.92

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Solution

The fourth proportional to 1,483.66, 2,227.87 and 964.92 is: 1,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.66 : 2,227.87 = 964.92 : x
  2. Step 2: Convert to fraction form
    1,483.66/2,227.87 = 964.92/x
  3. Step 3: Cross multiply
    1,483.66x = 2,227.87 × 964.92
  4. Step 4: Simplify right side
    1,483.66x = 2,149,716.32
  5. Step 5: Solve for x
    x = 2,149,716.32/1,483.66
  6. Step 6: Final answer
    x = 1,448.93

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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.