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Finding the Fourth Proportional to 39,673.63, 54,749.61 and 22,906.63

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Solution

The fourth proportional to 39,673.63, 54,749.61 and 22,906.63 is: 31,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,673.63 : 54,749.61 = 22,906.63 : x
  2. Step 2: Convert to fraction form
    39,673.63/54,749.61 = 22,906.63/x
  3. Step 3: Cross multiply
    39,673.63x = 54,749.61 × 22,906.63
  4. Step 4: Simplify right side
    39,673.63x = 1,254,128,670.63
  5. Step 5: Solve for x
    x = 1,254,128,670.63/39,673.63
  6. Step 6: Final answer
    x = 31,611.14

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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.