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Finding the Fourth Proportional to 7,338.98, 10,125.33 and 4,192.94

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Solution

The fourth proportional to 7,338.98, 10,125.33 and 4,192.94 is: 5,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.98 : 10,125.33 = 4,192.94 : x
  2. Step 2: Convert to fraction form
    7,338.98/10,125.33 = 4,192.94/x
  3. Step 3: Cross multiply
    7,338.98x = 10,125.33 × 4,192.94
  4. Step 4: Simplify right side
    7,338.98x = 42,454,901.17
  5. Step 5: Solve for x
    x = 42,454,901.17/7,338.98
  6. Step 6: Final answer
    x = 5,784.85

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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.