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Finding the Fourth Proportional to 6,306.63, 8,702.97 and 3,618.30

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Solution

The fourth proportional to 6,306.63, 8,702.97 and 3,618.30 is: 4,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.63 : 8,702.97 = 3,618.30 : x
  2. Step 2: Convert to fraction form
    6,306.63/8,702.97 = 3,618.30/x
  3. Step 3: Cross multiply
    6,306.63x = 8,702.97 × 3,618.30
  4. Step 4: Simplify right side
    6,306.63x = 31,489,956.35
  5. Step 5: Solve for x
    x = 31,489,956.35/6,306.63
  6. Step 6: Final answer
    x = 4,993.15

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1.5x scale

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.