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Finding the Fourth Proportional to 8,644.84, 11,935.60 and 6,651.88

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Solution

The fourth proportional to 8,644.84, 11,935.60 and 6,651.88 is: 9,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.84 : 11,935.60 = 6,651.88 : x
  2. Step 2: Convert to fraction form
    8,644.84/11,935.60 = 6,651.88/x
  3. Step 3: Cross multiply
    8,644.84x = 11,935.60 × 6,651.88
  4. Step 4: Simplify right side
    8,644.84x = 79,394,178.93
  5. Step 5: Solve for x
    x = 79,394,178.93/8,644.84
  6. Step 6: Final answer
    x = 9,184.00

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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.