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Finding the Fourth Proportional to 42,806.76, 59,086.98 and 30,063

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Solution

The fourth proportional to 42,806.76, 59,086.98 and 30,063 is: 41,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.76 : 59,086.98 = 30,063 : x
  2. Step 2: Convert to fraction form
    42,806.76/59,086.98 = 30,063/x
  3. Step 3: Cross multiply
    42,806.76x = 59,086.98 × 30,063
  4. Step 4: Simplify right side
    42,806.76x = 1,776,331,879.74
  5. Step 5: Solve for x
    x = 1,776,331,879.74/42,806.76
  6. Step 6: Final answer
    x = 41,496.53

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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.