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Finding the Fourth Proportional to 15,179.37, 22,764.01 and 5,316.31

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Solution

The fourth proportional to 15,179.37, 22,764.01 and 5,316.31 is: 7,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.37 : 22,764.01 = 5,316.31 : x
  2. Step 2: Convert to fraction form
    15,179.37/22,764.01 = 5,316.31/x
  3. Step 3: Cross multiply
    15,179.37x = 22,764.01 × 5,316.31
  4. Step 4: Simplify right side
    15,179.37x = 121,020,510.06
  5. Step 5: Solve for x
    x = 121,020,510.06/15,179.37
  6. Step 6: Final answer
    x = 7,972.69

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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.