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Finding the Fourth Proportional to 29,373.97, 40,536.11 and 15,945.22

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Solution

The fourth proportional to 29,373.97, 40,536.11 and 15,945.22 is: 22,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,373.97 : 40,536.11 = 15,945.22 : x
  2. Step 2: Convert to fraction form
    29,373.97/40,536.11 = 15,945.22/x
  3. Step 3: Cross multiply
    29,373.97x = 40,536.11 × 15,945.22
  4. Step 4: Simplify right side
    29,373.97x = 646,356,964.72
  5. Step 5: Solve for x
    x = 646,356,964.72/29,373.97
  6. Step 6: Final answer
    x = 22,004.41

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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.