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Finding the Fourth Proportional to 29,709.89, 44,572.15 and 8,650.12

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Solution

The fourth proportional to 29,709.89, 44,572.15 and 8,650.12 is: 12,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.89 : 44,572.15 = 8,650.12 : x
  2. Step 2: Convert to fraction form
    29,709.89/44,572.15 = 8,650.12/x
  3. Step 3: Cross multiply
    29,709.89x = 44,572.15 × 8,650.12
  4. Step 4: Simplify right side
    29,709.89x = 385,554,313.10
  5. Step 5: Solve for x
    x = 385,554,313.10/29,709.89
  6. Step 6: Final answer
    x = 12,977.30

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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.