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Finding the Fourth Proportional to 15,369.14, 23,056.79 and 5,374.89

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Solution

The fourth proportional to 15,369.14, 23,056.79 and 5,374.89 is: 8,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.14 : 23,056.79 = 5,374.89 : x
  2. Step 2: Convert to fraction form
    15,369.14/23,056.79 = 5,374.89/x
  3. Step 3: Cross multiply
    15,369.14x = 23,056.79 × 5,374.89
  4. Step 4: Simplify right side
    15,369.14x = 123,927,803.07
  5. Step 5: Solve for x
    x = 123,927,803.07/15,369.14
  6. Step 6: Final answer
    x = 8,063.42

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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.