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Finding the Fourth Proportional to 5,753.28, 8,621.71 and 4,577.99

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Solution

The fourth proportional to 5,753.28, 8,621.71 and 4,577.99 is: 6,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.28 : 8,621.71 = 4,577.99 : x
  2. Step 2: Convert to fraction form
    5,753.28/8,621.71 = 4,577.99/x
  3. Step 3: Cross multiply
    5,753.28x = 8,621.71 × 4,577.99
  4. Step 4: Simplify right side
    5,753.28x = 39,470,102.16
  5. Step 5: Solve for x
    x = 39,470,102.16/5,753.28
  6. Step 6: Final answer
    x = 6,860.45

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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.