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Finding the Fourth Proportional to 57,883.16, 86,818.22 and 39,282.68

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Solution

The fourth proportional to 57,883.16, 86,818.22 and 39,282.68 is: 58,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.16 : 86,818.22 = 39,282.68 : x
  2. Step 2: Convert to fraction form
    57,883.16/86,818.22 = 39,282.68/x
  3. Step 3: Cross multiply
    57,883.16x = 86,818.22 × 39,282.68
  4. Step 4: Simplify right side
    57,883.16x = 3,410,452,354.43
  5. Step 5: Solve for x
    x = 3,410,452,354.43/57,883.16
  6. Step 6: Final answer
    x = 58,919.60

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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.