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Finding the Fourth Proportional to 57,797.70, 86,696.55 and 16,239.30

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Solution

The fourth proportional to 57,797.70, 86,696.55 and 16,239.30 is: 24,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,797.70 : 86,696.55 = 16,239.30 : x
  2. Step 2: Convert to fraction form
    57,797.70/86,696.55 = 16,239.30/x
  3. Step 3: Cross multiply
    57,797.70x = 86,696.55 × 16,239.30
  4. Step 4: Simplify right side
    57,797.70x = 1,407,891,284.42
  5. Step 5: Solve for x
    x = 1,407,891,284.42/57,797.70
  6. Step 6: Final answer
    x = 24,358.95

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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.