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Finding the Fourth Proportional to 5,721.16, 8,573.58 and 2,801.48

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Solution

The fourth proportional to 5,721.16, 8,573.58 and 2,801.48 is: 4,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.16 : 8,573.58 = 2,801.48 : x
  2. Step 2: Convert to fraction form
    5,721.16/8,573.58 = 2,801.48/x
  3. Step 3: Cross multiply
    5,721.16x = 8,573.58 × 2,801.48
  4. Step 4: Simplify right side
    5,721.16x = 24,018,712.90
  5. Step 5: Solve for x
    x = 24,018,712.90/5,721.16
  6. Step 6: Final answer
    x = 4,198.22

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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.