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Finding the Fourth Proportional to 1,955.84, 2,930.99 and 1,029.53

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Solution

The fourth proportional to 1,955.84, 2,930.99 and 1,029.53 is: 1,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.84 : 2,930.99 = 1,029.53 : x
  2. Step 2: Convert to fraction form
    1,955.84/2,930.99 = 1,029.53/x
  3. Step 3: Cross multiply
    1,955.84x = 2,930.99 × 1,029.53
  4. Step 4: Simplify right side
    1,955.84x = 3,017,530.05
  5. Step 5: Solve for x
    x = 3,017,530.05/1,955.84
  6. Step 6: Final answer
    x = 1,542.83

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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.