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Finding the Fourth Proportional to 29,372.97, 40,534.91 and 15,944.22

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Solution

The fourth proportional to 29,372.97, 40,534.91 and 15,944.22 is: 22,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,372.97 : 40,534.91 = 15,944.22 : x
  2. Step 2: Convert to fraction form
    29,372.97/40,534.91 = 15,944.22/x
  3. Step 3: Cross multiply
    29,372.97x = 40,534.91 × 15,944.22
  4. Step 4: Simplify right side
    29,372.97x = 646,297,443.00
  5. Step 5: Solve for x
    x = 646,297,443.00/29,372.97
  6. Step 6: Final answer
    x = 22,003.14

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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.