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Finding the Fourth Proportional to 5,572.64, 8,362.72 and 2,977.44

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Solution

The fourth proportional to 5,572.64, 8,362.72 and 2,977.44 is: 4,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.64 : 8,362.72 = 2,977.44 : x
  2. Step 2: Convert to fraction form
    5,572.64/8,362.72 = 2,977.44/x
  3. Step 3: Cross multiply
    5,572.64x = 8,362.72 × 2,977.44
  4. Step 4: Simplify right side
    5,572.64x = 24,899,497.04
  5. Step 5: Solve for x
    x = 24,899,497.04/5,572.64
  6. Step 6: Final answer
    x = 4,468.17

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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.