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Finding the Fourth Proportional to 53,056, 73,212.48 and 29,183.68

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Solution

The fourth proportional to 53,056, 73,212.48 and 29,183.68 is: 40,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,056 : 73,212.48 = 29,183.68 : x
  2. Step 2: Convert to fraction form
    53,056/73,212.48 = 29,183.68/x
  3. Step 3: Cross multiply
    53,056x = 73,212.48 × 29,183.68
  4. Step 4: Simplify right side
    53,056x = 2,136,609,588.33
  5. Step 5: Solve for x
    x = 2,136,609,588.33/53,056
  6. Step 6: Final answer
    x = 40,270.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.