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Finding the Fourth Proportional to 1,955.63, 2,933.45 and 587.63

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Solution

The fourth proportional to 1,955.63, 2,933.45 and 587.63 is: 881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.63 : 2,933.45 = 587.63 : x
  2. Step 2: Convert to fraction form
    1,955.63/2,933.45 = 587.63/x
  3. Step 3: Cross multiply
    1,955.63x = 2,933.45 × 587.63
  4. Step 4: Simplify right side
    1,955.63x = 1,723,765.62
  5. Step 5: Solve for x
    x = 1,723,765.62/1,955.63
  6. Step 6: Final answer
    x = 881.44

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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.