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Finding the Fourth Proportional to 8,670.88, 13,004.96 and 2,827.44

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Solution

The fourth proportional to 8,670.88, 13,004.96 and 2,827.44 is: 4,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.88 : 13,004.96 = 2,827.44 : x
  2. Step 2: Convert to fraction form
    8,670.88/13,004.96 = 2,827.44/x
  3. Step 3: Cross multiply
    8,670.88x = 13,004.96 × 2,827.44
  4. Step 4: Simplify right side
    8,670.88x = 36,770,744.10
  5. Step 5: Solve for x
    x = 36,770,744.10/8,670.88
  6. Step 6: Final answer
    x = 4,240.72

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1.5x scale

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.