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Finding the Fourth Proportional to 6,360.30, 8,772.84 and 4,475.88

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Solution

The fourth proportional to 6,360.30, 8,772.84 and 4,475.88 is: 6,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.30 : 8,772.84 = 4,475.88 : x
  2. Step 2: Convert to fraction form
    6,360.30/8,772.84 = 4,475.88/x
  3. Step 3: Cross multiply
    6,360.30x = 8,772.84 × 4,475.88
  4. Step 4: Simplify right side
    6,360.30x = 39,266,179.10
  5. Step 5: Solve for x
    x = 39,266,179.10/6,360.30
  6. Step 6: Final answer
    x = 6,173.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.