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Finding the Fourth Proportional to 55,295.37, 82,943.01 and 13,742.37

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Solution

The fourth proportional to 55,295.37, 82,943.01 and 13,742.37 is: 20,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.37 : 82,943.01 = 13,742.37 : x
  2. Step 2: Convert to fraction form
    55,295.37/82,943.01 = 13,742.37/x
  3. Step 3: Cross multiply
    55,295.37x = 82,943.01 × 13,742.37
  4. Step 4: Simplify right side
    55,295.37x = 1,139,833,532.33
  5. Step 5: Solve for x
    x = 1,139,833,532.33/55,295.37
  6. Step 6: Final answer
    x = 20,613.54

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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.