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Finding the Fourth Proportional to 5,891.76, 8,837.36 and 1,731.60

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Solution

The fourth proportional to 5,891.76, 8,837.36 and 1,731.60 is: 2,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.76 : 8,837.36 = 1,731.60 : x
  2. Step 2: Convert to fraction form
    5,891.76/8,837.36 = 1,731.60/x
  3. Step 3: Cross multiply
    5,891.76x = 8,837.36 × 1,731.60
  4. Step 4: Simplify right side
    5,891.76x = 15,302,772.58
  5. Step 5: Solve for x
    x = 15,302,772.58/5,891.76
  6. Step 6: Final answer
    x = 2,597.32

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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.