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Finding the Fourth Proportional to 2,991.92, 4,488.64 and 1,044.16

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Solution

The fourth proportional to 2,991.92, 4,488.64 and 1,044.16 is: 1,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.92 : 4,488.64 = 1,044.16 : x
  2. Step 2: Convert to fraction form
    2,991.92/4,488.64 = 1,044.16/x
  3. Step 3: Cross multiply
    2,991.92x = 4,488.64 × 1,044.16
  4. Step 4: Simplify right side
    2,991.92x = 4,686,858.34
  5. Step 5: Solve for x
    x = 4,686,858.34/2,991.92
  6. Step 6: Final answer
    x = 1,566.51

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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.