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Finding the Fourth Proportional to 57,775.70, 86,663.55 and 16,217.30

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Solution

The fourth proportional to 57,775.70, 86,663.55 and 16,217.30 is: 24,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.70 : 86,663.55 = 16,217.30 : x
  2. Step 2: Convert to fraction form
    57,775.70/86,663.55 = 16,217.30/x
  3. Step 3: Cross multiply
    57,775.70x = 86,663.55 × 16,217.30
  4. Step 4: Simplify right side
    57,775.70x = 1,405,448,789.42
  5. Step 5: Solve for x
    x = 1,405,448,789.42/57,775.70
  6. Step 6: Final answer
    x = 24,325.95

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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.