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Finding the Fourth Proportional to 41,471.36, 57,472.48 and 40,683.68

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Solution

The fourth proportional to 41,471.36, 57,472.48 and 40,683.68 is: 56,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,471.36 : 57,472.48 = 40,683.68 : x
  2. Step 2: Convert to fraction form
    41,471.36/57,472.48 = 40,683.68/x
  3. Step 3: Cross multiply
    41,471.36x = 57,472.48 × 40,683.68
  4. Step 4: Simplify right side
    41,471.36x = 2,338,191,985.13
  5. Step 5: Solve for x
    x = 2,338,191,985.13/41,471.36
  6. Step 6: Final answer
    x = 56,380.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.