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Finding the Fourth Proportional to 54,416.60, 81,624.90 and 36,701.90

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Solution

The fourth proportional to 54,416.60, 81,624.90 and 36,701.90 is: 55,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.60 : 81,624.90 = 36,701.90 : x
  2. Step 2: Convert to fraction form
    54,416.60/81,624.90 = 36,701.90/x
  3. Step 3: Cross multiply
    54,416.60x = 81,624.90 × 36,701.90
  4. Step 4: Simplify right side
    54,416.60x = 2,995,788,917.31
  5. Step 5: Solve for x
    x = 2,995,788,917.31/54,416.60
  6. Step 6: Final answer
    x = 55,052.85

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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.