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Finding the Fourth Proportional to 14,092.32, 19,448.72 and 7,805.92

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Solution

The fourth proportional to 14,092.32, 19,448.72 and 7,805.92 is: 10,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.32 : 19,448.72 = 7,805.92 : x
  2. Step 2: Convert to fraction form
    14,092.32/19,448.72 = 7,805.92/x
  3. Step 3: Cross multiply
    14,092.32x = 19,448.72 × 7,805.92
  4. Step 4: Simplify right side
    14,092.32x = 151,815,152.42
  5. Step 5: Solve for x
    x = 151,815,152.42/14,092.32
  6. Step 6: Final answer
    x = 10,772.90

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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.