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Finding the Fourth Proportional to 5,872.22, 8,802.81 and 1,973.90

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Solution

The fourth proportional to 5,872.22, 8,802.81 and 1,973.90 is: 2,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.22 : 8,802.81 = 1,973.90 : x
  2. Step 2: Convert to fraction form
    5,872.22/8,802.81 = 1,973.90/x
  3. Step 3: Cross multiply
    5,872.22x = 8,802.81 × 1,973.90
  4. Step 4: Simplify right side
    5,872.22x = 17,375,822.64
  5. Step 5: Solve for x
    x = 17,375,822.64/5,872.22
  6. Step 6: Final answer
    x = 2,958.99

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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.