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Finding the Fourth Proportional to 34,990.53, 48,287.43 and 19,074.99

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Solution

The fourth proportional to 34,990.53, 48,287.43 and 19,074.99 is: 26,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.53 : 48,287.43 = 19,074.99 : x
  2. Step 2: Convert to fraction form
    34,990.53/48,287.43 = 19,074.99/x
  3. Step 3: Cross multiply
    34,990.53x = 48,287.43 × 19,074.99
  4. Step 4: Simplify right side
    34,990.53x = 921,082,244.38
  5. Step 5: Solve for x
    x = 921,082,244.38/34,990.53
  6. Step 6: Final answer
    x = 26,323.76

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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.