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Finding the Fourth Proportional to 57,774.90, 86,667.24 and 16,221.90

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Solution

The fourth proportional to 57,774.90, 86,667.24 and 16,221.90 is: 24,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.90 : 86,667.24 = 16,221.90 : x
  2. Step 2: Convert to fraction form
    57,774.90/86,667.24 = 16,221.90/x
  3. Step 3: Cross multiply
    57,774.90x = 86,667.24 × 16,221.90
  4. Step 4: Simplify right side
    57,774.90x = 1,405,907,300.56
  5. Step 5: Solve for x
    x = 1,405,907,300.56/57,774.90
  6. Step 6: Final answer
    x = 24,334.22

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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.