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Finding the Fourth Proportional to 5,883.54, 8,819.19 and 1,985.82

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Solution

The fourth proportional to 5,883.54, 8,819.19 and 1,985.82 is: 2,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.54 : 8,819.19 = 1,985.82 : x
  2. Step 2: Convert to fraction form
    5,883.54/8,819.19 = 1,985.82/x
  3. Step 3: Cross multiply
    5,883.54x = 8,819.19 × 1,985.82
  4. Step 4: Simplify right side
    5,883.54x = 17,513,323.89
  5. Step 5: Solve for x
    x = 17,513,323.89/5,883.54
  6. Step 6: Final answer
    x = 2,976.66

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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.