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Finding the Fourth Proportional to 14,174.49, 19,560.24 and 7,800.69

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Solution

The fourth proportional to 14,174.49, 19,560.24 and 7,800.69 is: 10,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.49 : 19,560.24 = 7,800.69 : x
  2. Step 2: Convert to fraction form
    14,174.49/19,560.24 = 7,800.69/x
  3. Step 3: Cross multiply
    14,174.49x = 19,560.24 × 7,800.69
  4. Step 4: Simplify right side
    14,174.49x = 152,583,368.57
  5. Step 5: Solve for x
    x = 152,583,368.57/14,174.49
  6. Step 6: Final answer
    x = 10,764.65

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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.