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Finding the Fourth Proportional to 8,668.94, 11,963.06 and 4,690.06

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Solution

The fourth proportional to 8,668.94, 11,963.06 and 4,690.06 is: 6,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.94 : 11,963.06 = 4,690.06 : x
  2. Step 2: Convert to fraction form
    8,668.94/11,963.06 = 4,690.06/x
  3. Step 3: Cross multiply
    8,668.94x = 11,963.06 × 4,690.06
  4. Step 4: Simplify right side
    8,668.94x = 56,107,469.18
  5. Step 5: Solve for x
    x = 56,107,469.18/8,668.94
  6. Step 6: Final answer
    x = 6,472.24

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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.