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Finding the Fourth Proportional to 2,997.03, 4,495.55 and 1,048.78

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Solution

The fourth proportional to 2,997.03, 4,495.55 and 1,048.78 is: 1,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.03 : 4,495.55 = 1,048.78 : x
  2. Step 2: Convert to fraction form
    2,997.03/4,495.55 = 1,048.78/x
  3. Step 3: Cross multiply
    2,997.03x = 4,495.55 × 1,048.78
  4. Step 4: Simplify right side
    2,997.03x = 4,714,843.30
  5. Step 5: Solve for x
    x = 4,714,843.30/2,997.03
  6. Step 6: Final answer
    x = 1,573.17

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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.