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Finding the Fourth Proportional to 12,047.70, 16,625.80 and 6,743.54

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Solution

The fourth proportional to 12,047.70, 16,625.80 and 6,743.54 is: 9,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.70 : 16,625.80 = 6,743.54 : x
  2. Step 2: Convert to fraction form
    12,047.70/16,625.80 = 6,743.54/x
  3. Step 3: Cross multiply
    12,047.70x = 16,625.80 × 6,743.54
  4. Step 4: Simplify right side
    12,047.70x = 112,116,747.33
  5. Step 5: Solve for x
    x = 112,116,747.33/12,047.70
  6. Step 6: Final answer
    x = 9,306.07

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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.