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Finding the Fourth Proportional to 58,239, 80,372.66 and 32,753.39

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Solution

The fourth proportional to 58,239, 80,372.66 and 32,753.39 is: 45,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239 : 80,372.66 = 32,753.39 : x
  2. Step 2: Convert to fraction form
    58,239/80,372.66 = 32,753.39/x
  3. Step 3: Cross multiply
    58,239x = 80,372.66 × 32,753.39
  4. Step 4: Simplify right side
    58,239x = 2,632,477,078.32
  5. Step 5: Solve for x
    x = 2,632,477,078.32/58,239
  6. Step 6: Final answer
    x = 45,201.28

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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.