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Finding the Fourth Proportional to 39,700.13, 54,791.03 and 22,933.13

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Solution

The fourth proportional to 39,700.13, 54,791.03 and 22,933.13 is: 31,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.13 : 54,791.03 = 22,933.13 : x
  2. Step 2: Convert to fraction form
    39,700.13/54,791.03 = 22,933.13/x
  3. Step 3: Cross multiply
    39,700.13x = 54,791.03 × 22,933.13
  4. Step 4: Simplify right side
    39,700.13x = 1,256,529,597.20
  5. Step 5: Solve for x
    x = 1,256,529,597.20/39,700.13
  6. Step 6: Final answer
    x = 31,650.52

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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.