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Finding the Fourth Proportional to 57,883.88, 79,880.06 and 32,390.30

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Solution

The fourth proportional to 57,883.88, 79,880.06 and 32,390.30 is: 44,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.88 : 79,880.06 = 32,390.30 : x
  2. Step 2: Convert to fraction form
    57,883.88/79,880.06 = 32,390.30/x
  3. Step 3: Cross multiply
    57,883.88x = 79,880.06 × 32,390.30
  4. Step 4: Simplify right side
    57,883.88x = 2,587,339,107.42
  5. Step 5: Solve for x
    x = 2,587,339,107.42/57,883.88
  6. Step 6: Final answer
    x = 44,698.79

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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.