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Finding the Fourth Proportional to 8,045.67, 12,064.19 and 2,850.87

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Solution

The fourth proportional to 8,045.67, 12,064.19 and 2,850.87 is: 4,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.67 : 12,064.19 = 2,850.87 : x
  2. Step 2: Convert to fraction form
    8,045.67/12,064.19 = 2,850.87/x
  3. Step 3: Cross multiply
    8,045.67x = 12,064.19 × 2,850.87
  4. Step 4: Simplify right side
    8,045.67x = 34,393,423.09
  5. Step 5: Solve for x
    x = 34,393,423.09/8,045.67
  6. Step 6: Final answer
    x = 4,274.77

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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.