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Finding the Fourth Proportional to 57,169.74, 85,783.86 and 27,217.83

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Solution

The fourth proportional to 57,169.74, 85,783.86 and 27,217.83 is: 40,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169.74 : 85,783.86 = 27,217.83 : x
  2. Step 2: Convert to fraction form
    57,169.74/85,783.86 = 27,217.83/x
  3. Step 3: Cross multiply
    57,169.74x = 85,783.86 × 27,217.83
  4. Step 4: Simplify right side
    57,169.74x = 2,334,850,518.22
  5. Step 5: Solve for x
    x = 2,334,850,518.22/57,169.74
  6. Step 6: Final answer
    x = 40,840.67

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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.