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Finding the Fourth Proportional to 57,774.70, 86,662.05 and 16,216.30

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Solution

The fourth proportional to 57,774.70, 86,662.05 and 16,216.30 is: 24,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.70 : 86,662.05 = 16,216.30 : x
  2. Step 2: Convert to fraction form
    57,774.70/86,662.05 = 16,216.30/x
  3. Step 3: Cross multiply
    57,774.70x = 86,662.05 × 16,216.30
  4. Step 4: Simplify right side
    57,774.70x = 1,405,337,801.42
  5. Step 5: Solve for x
    x = 1,405,337,801.42/57,774.70
  6. Step 6: Final answer
    x = 24,324.45

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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.