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Finding the Fourth Proportional to 40,099, 55,336.62 and 23,343.16

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Solution

The fourth proportional to 40,099, 55,336.62 and 23,343.16 is: 32,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099 : 55,336.62 = 23,343.16 : x
  2. Step 2: Convert to fraction form
    40,099/55,336.62 = 23,343.16/x
  3. Step 3: Cross multiply
    40,099x = 55,336.62 × 23,343.16
  4. Step 4: Simplify right side
    40,099x = 1,291,731,574.52
  5. Step 5: Solve for x
    x = 1,291,731,574.52/40,099
  6. Step 6: Final answer
    x = 32,213.56

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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.