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Finding the Fourth Proportional to 7,614.69, 10,510.50 and 4,428.73

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Solution

The fourth proportional to 7,614.69, 10,510.50 and 4,428.73 is: 6,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.69 : 10,510.50 = 4,428.73 : x
  2. Step 2: Convert to fraction form
    7,614.69/10,510.50 = 4,428.73/x
  3. Step 3: Cross multiply
    7,614.69x = 10,510.50 × 4,428.73
  4. Step 4: Simplify right side
    7,614.69x = 46,548,144.52
  5. Step 5: Solve for x
    x = 46,548,144.52/7,614.69
  6. Step 6: Final answer
    x = 6,112.94

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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.