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Finding the Fourth Proportional to 40,003.56, 55,232.64 and 24,903

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Solution

The fourth proportional to 40,003.56, 55,232.64 and 24,903 is: 34,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.56 : 55,232.64 = 24,903 : x
  2. Step 2: Convert to fraction form
    40,003.56/55,232.64 = 24,903/x
  3. Step 3: Cross multiply
    40,003.56x = 55,232.64 × 24,903
  4. Step 4: Simplify right side
    40,003.56x = 1,375,458,433.92
  5. Step 5: Solve for x
    x = 1,375,458,433.92/40,003.56
  6. Step 6: Final answer
    x = 34,383.40

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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.