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Finding the Fourth Proportional to 34,807.89, 52,211.84 and 8,512.32

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Solution

The fourth proportional to 34,807.89, 52,211.84 and 8,512.32 is: 12,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,807.89 : 52,211.84 = 8,512.32 : x
  2. Step 2: Convert to fraction form
    34,807.89/52,211.84 = 8,512.32/x
  3. Step 3: Cross multiply
    34,807.89x = 52,211.84 × 8,512.32
  4. Step 4: Simplify right side
    34,807.89x = 444,443,847.31
  5. Step 5: Solve for x
    x = 444,443,847.31/34,807.89
  6. Step 6: Final answer
    x = 12,768.48

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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.