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Finding the Fourth Proportional to 5,929.56, 8,891.74 and 3,155.58

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Solution

The fourth proportional to 5,929.56, 8,891.74 and 3,155.58 is: 4,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.56 : 8,891.74 = 3,155.58 : x
  2. Step 2: Convert to fraction form
    5,929.56/8,891.74 = 3,155.58/x
  3. Step 3: Cross multiply
    5,929.56x = 8,891.74 × 3,155.58
  4. Step 4: Simplify right side
    5,929.56x = 28,058,536.67
  5. Step 5: Solve for x
    x = 28,058,536.67/5,929.56
  6. Step 6: Final answer
    x = 4,731.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.