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Finding the Fourth Proportional to 8,596.55, 12,895.49 and 3,666.22

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Solution

The fourth proportional to 8,596.55, 12,895.49 and 3,666.22 is: 5,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.55 : 12,895.49 = 3,666.22 : x
  2. Step 2: Convert to fraction form
    8,596.55/12,895.49 = 3,666.22/x
  3. Step 3: Cross multiply
    8,596.55x = 12,895.49 × 3,666.22
  4. Step 4: Simplify right side
    8,596.55x = 47,277,703.35
  5. Step 5: Solve for x
    x = 47,277,703.35/8,596.55
  6. Step 6: Final answer
    x = 5,499.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.