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Finding the Fourth Proportional to 15,993.42, 23,990.13 and 4,900.07

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Solution

The fourth proportional to 15,993.42, 23,990.13 and 4,900.07 is: 7,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.42 : 23,990.13 = 4,900.07 : x
  2. Step 2: Convert to fraction form
    15,993.42/23,990.13 = 4,900.07/x
  3. Step 3: Cross multiply
    15,993.42x = 23,990.13 × 4,900.07
  4. Step 4: Simplify right side
    15,993.42x = 117,553,196.36
  5. Step 5: Solve for x
    x = 117,553,196.36/15,993.42
  6. Step 6: Final answer
    x = 7,350.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.