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Finding the Fourth Proportional to 29,578.32, 44,360.76 and 8,518.32

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Solution

The fourth proportional to 29,578.32, 44,360.76 and 8,518.32 is: 12,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.32 : 44,360.76 = 8,518.32 : x
  2. Step 2: Convert to fraction form
    29,578.32/44,360.76 = 8,518.32/x
  3. Step 3: Cross multiply
    29,578.32x = 44,360.76 × 8,518.32
  4. Step 4: Simplify right side
    29,578.32x = 377,879,149.12
  5. Step 5: Solve for x
    x = 377,879,149.12/29,578.32
  6. Step 6: Final answer
    x = 12,775.54

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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.