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Finding the Fourth Proportional to 2,992.60, 4,490.94 and 1,044.80

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Solution

The fourth proportional to 2,992.60, 4,490.94 and 1,044.80 is: 1,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.60 : 4,490.94 = 1,044.80 : x
  2. Step 2: Convert to fraction form
    2,992.60/4,490.94 = 1,044.80/x
  3. Step 3: Cross multiply
    2,992.60x = 4,490.94 × 1,044.80
  4. Step 4: Simplify right side
    2,992.60x = 4,692,125.50
  5. Step 5: Solve for x
    x = 4,692,125.50/2,992.60
  6. Step 6: Final answer
    x = 1,567.91

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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.