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Finding the Fourth Proportional to 5,477.56, 8,216.40 and 1,582

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Solution

The fourth proportional to 5,477.56, 8,216.40 and 1,582 is: 2,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.56 : 8,216.40 = 1,582 : x
  2. Step 2: Convert to fraction form
    5,477.56/8,216.40 = 1,582/x
  3. Step 3: Cross multiply
    5,477.56x = 8,216.40 × 1,582
  4. Step 4: Simplify right side
    5,477.56x = 12,998,344.80
  5. Step 5: Solve for x
    x = 12,998,344.80/5,477.56
  6. Step 6: Final answer
    x = 2,373.02

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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.