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Finding the Fourth Proportional to 58,872.88, 81,245.12 and 32,015.64

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Solution

The fourth proportional to 58,872.88, 81,245.12 and 32,015.64 is: 44,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,872.88 : 81,245.12 = 32,015.64 : x
  2. Step 2: Convert to fraction form
    58,872.88/81,245.12 = 32,015.64/x
  3. Step 3: Cross multiply
    58,872.88x = 81,245.12 × 32,015.64
  4. Step 4: Simplify right side
    58,872.88x = 2,601,114,353.60
  5. Step 5: Solve for x
    x = 2,601,114,353.60/58,872.88
  6. Step 6: Final answer
    x = 44,181.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.