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Finding the Fourth Proportional to 42,941, 59,238.42 and 30,372.68

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Solution

The fourth proportional to 42,941, 59,238.42 and 30,372.68 is: 41,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,941 : 59,238.42 = 30,372.68 : x
  2. Step 2: Convert to fraction form
    42,941/59,238.42 = 30,372.68/x
  3. Step 3: Cross multiply
    42,941x = 59,238.42 × 30,372.68
  4. Step 4: Simplify right side
    42,941x = 1,799,229,574.37
  5. Step 5: Solve for x
    x = 1,799,229,574.37/42,941
  6. Step 6: Final answer
    x = 41,900.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.