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Finding the Fourth Proportional to 11,596.94, 16,003.80 and 6,291.80

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Solution

The fourth proportional to 11,596.94, 16,003.80 and 6,291.80 is: 8,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.94 : 16,003.80 = 6,291.80 : x
  2. Step 2: Convert to fraction form
    11,596.94/16,003.80 = 6,291.80/x
  3. Step 3: Cross multiply
    11,596.94x = 16,003.80 × 6,291.80
  4. Step 4: Simplify right side
    11,596.94x = 100,692,708.84
  5. Step 5: Solve for x
    x = 100,692,708.84/11,596.94
  6. Step 6: Final answer
    x = 8,682.70

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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.