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Finding the Fourth Proportional to 12,049.88, 16,629.54 and 6,744.44

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Solution

The fourth proportional to 12,049.88, 16,629.54 and 6,744.44 is: 9,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.88 : 16,629.54 = 6,744.44 : x
  2. Step 2: Convert to fraction form
    12,049.88/16,629.54 = 6,744.44/x
  3. Step 3: Cross multiply
    12,049.88x = 16,629.54 × 6,744.44
  4. Step 4: Simplify right side
    12,049.88x = 112,156,934.76
  5. Step 5: Solve for x
    x = 112,156,934.76/12,049.88
  6. Step 6: Final answer
    x = 9,307.72

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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.