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Finding the Fourth Proportional to 34,775.46, 47,990.27 and 18,860.18

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Solution

The fourth proportional to 34,775.46, 47,990.27 and 18,860.18 is: 26,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.46 : 47,990.27 = 18,860.18 : x
  2. Step 2: Convert to fraction form
    34,775.46/47,990.27 = 18,860.18/x
  3. Step 3: Cross multiply
    34,775.46x = 47,990.27 × 18,860.18
  4. Step 4: Simplify right side
    34,775.46x = 905,104,937.65
  5. Step 5: Solve for x
    x = 905,104,937.65/34,775.46
  6. Step 6: Final answer
    x = 26,027.12

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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.