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Finding the Fourth Proportional to 8,596.89, 12,895.27 and 5,111.05

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Solution

The fourth proportional to 8,596.89, 12,895.27 and 5,111.05 is: 7,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.89 : 12,895.27 = 5,111.05 : x
  2. Step 2: Convert to fraction form
    8,596.89/12,895.27 = 5,111.05/x
  3. Step 3: Cross multiply
    8,596.89x = 12,895.27 × 5,111.05
  4. Step 4: Simplify right side
    8,596.89x = 65,908,369.73
  5. Step 5: Solve for x
    x = 65,908,369.73/8,596.89
  6. Step 6: Final answer
    x = 7,666.54

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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.