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Finding the Fourth Proportional to 29,289.60, 43,921.44 and 8,508.24

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Solution

The fourth proportional to 29,289.60, 43,921.44 and 8,508.24 is: 12,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.60 : 43,921.44 = 8,508.24 : x
  2. Step 2: Convert to fraction form
    29,289.60/43,921.44 = 8,508.24/x
  3. Step 3: Cross multiply
    29,289.60x = 43,921.44 × 8,508.24
  4. Step 4: Simplify right side
    29,289.60x = 373,694,152.67
  5. Step 5: Solve for x
    x = 373,694,152.67/29,289.60
  6. Step 6: Final answer
    x = 12,758.60

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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.