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Finding the Fourth Proportional to 11,596.58, 16,002.83 and 6,291.20

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Solution

The fourth proportional to 11,596.58, 16,002.83 and 6,291.20 is: 8,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.58 : 16,002.83 = 6,291.20 : x
  2. Step 2: Convert to fraction form
    11,596.58/16,002.83 = 6,291.20/x
  3. Step 3: Cross multiply
    11,596.58x = 16,002.83 × 6,291.20
  4. Step 4: Simplify right side
    11,596.58x = 100,676,972.64
  5. Step 5: Solve for x
    x = 100,676,972.64/11,596.58
  6. Step 6: Final answer
    x = 8,681.61

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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.