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Finding the Fourth Proportional to 57,704.58, 86,622.48 and 53,899.20

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Solution

The fourth proportional to 57,704.58, 86,622.48 and 53,899.20 is: 80,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.58 : 86,622.48 = 53,899.20 : x
  2. Step 2: Convert to fraction form
    57,704.58/86,622.48 = 53,899.20/x
  3. Step 3: Cross multiply
    57,704.58x = 86,622.48 × 53,899.20
  4. Step 4: Simplify right side
    57,704.58x = 4,668,882,374.02
  5. Step 5: Solve for x
    x = 4,668,882,374.02/57,704.58
  6. Step 6: Final answer
    x = 80,910.08

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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.