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Finding the Fourth Proportional to 34,808.89, 52,213.34 and 8,513.32

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Solution

The fourth proportional to 34,808.89, 52,213.34 and 8,513.32 is: 12,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.89 : 52,213.34 = 8,513.32 : x
  2. Step 2: Convert to fraction form
    34,808.89/52,213.34 = 8,513.32/x
  3. Step 3: Cross multiply
    34,808.89x = 52,213.34 × 8,513.32
  4. Step 4: Simplify right side
    34,808.89x = 444,508,829.12
  5. Step 5: Solve for x
    x = 444,508,829.12/34,808.89
  6. Step 6: Final answer
    x = 12,769.98

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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.