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Finding the Fourth Proportional to 57,230.40, 85,772.70 and 41,629.80

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Solution

The fourth proportional to 57,230.40, 85,772.70 and 41,629.80 is: 62,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,230.40 : 85,772.70 = 41,629.80 : x
  2. Step 2: Convert to fraction form
    57,230.40/85,772.70 = 41,629.80/x
  3. Step 3: Cross multiply
    57,230.40x = 85,772.70 × 41,629.80
  4. Step 4: Simplify right side
    57,230.40x = 3,570,700,346.46
  5. Step 5: Solve for x
    x = 3,570,700,346.46/57,230.40
  6. Step 6: Final answer
    x = 62,391.67

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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.