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Finding the Fourth Proportional to 57,192.70, 85,837.65 and 25,651.30

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Solution

The fourth proportional to 57,192.70, 85,837.65 and 25,651.30 is: 38,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192.70 : 85,837.65 = 25,651.30 : x
  2. Step 2: Convert to fraction form
    57,192.70/85,837.65 = 25,651.30/x
  3. Step 3: Cross multiply
    57,192.70x = 85,837.65 × 25,651.30
  4. Step 4: Simplify right side
    57,192.70x = 2,201,847,311.45
  5. Step 5: Solve for x
    x = 2,201,847,311.45/57,192.70
  6. Step 6: Final answer
    x = 38,498.75

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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.