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Finding the Fourth Proportional to 14,079.96, 19,430.69 and 7,792.34

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Solution

The fourth proportional to 14,079.96, 19,430.69 and 7,792.34 is: 10,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.96 : 19,430.69 = 7,792.34 : x
  2. Step 2: Convert to fraction form
    14,079.96/19,430.69 = 7,792.34/x
  3. Step 3: Cross multiply
    14,079.96x = 19,430.69 × 7,792.34
  4. Step 4: Simplify right side
    14,079.96x = 151,410,406.80
  5. Step 5: Solve for x
    x = 151,410,406.80/14,079.96
  6. Step 6: Final answer
    x = 10,753.61

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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.