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Finding the Fourth Proportional to 29,580.32, 44,363.76 and 8,520.32

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Solution

The fourth proportional to 29,580.32, 44,363.76 and 8,520.32 is: 12,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.32 : 44,363.76 = 8,520.32 : x
  2. Step 2: Convert to fraction form
    29,580.32/44,363.76 = 8,520.32/x
  3. Step 3: Cross multiply
    29,580.32x = 44,363.76 × 8,520.32
  4. Step 4: Simplify right side
    29,580.32x = 377,993,431.60
  5. Step 5: Solve for x
    x = 377,993,431.60/29,580.32
  6. Step 6: Final answer
    x = 12,778.54

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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.