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Finding the Fourth Proportional to 2,029.79, 3,044.88 and 624.53

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Solution

The fourth proportional to 2,029.79, 3,044.88 and 624.53 is: 936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.79 : 3,044.88 = 624.53 : x
  2. Step 2: Convert to fraction form
    2,029.79/3,044.88 = 624.53/x
  3. Step 3: Cross multiply
    2,029.79x = 3,044.88 × 624.53
  4. Step 4: Simplify right side
    2,029.79x = 1,901,618.91
  5. Step 5: Solve for x
    x = 1,901,618.91/2,029.79
  6. Step 6: Final answer
    x = 936.85

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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.