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Finding the Fourth Proportional to 5,881.41, 8,819.89 and 1,720.54

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Solution

The fourth proportional to 5,881.41, 8,819.89 and 1,720.54 is: 2,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.41 : 8,819.89 = 1,720.54 : x
  2. Step 2: Convert to fraction form
    5,881.41/8,819.89 = 1,720.54/x
  3. Step 3: Cross multiply
    5,881.41x = 8,819.89 × 1,720.54
  4. Step 4: Simplify right side
    5,881.41x = 15,174,980.26
  5. Step 5: Solve for x
    x = 15,174,980.26/5,881.41
  6. Step 6: Final answer
    x = 2,580.16

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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.