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Finding the Fourth Proportional to 14,079.72, 19,429.74 and 7,792.14

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Solution

The fourth proportional to 14,079.72, 19,429.74 and 7,792.14 is: 10,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.72 : 19,429.74 = 7,792.14 : x
  2. Step 2: Convert to fraction form
    14,079.72/19,429.74 = 7,792.14/x
  3. Step 3: Cross multiply
    14,079.72x = 19,429.74 × 7,792.14
  4. Step 4: Simplify right side
    14,079.72x = 151,399,254.24
  5. Step 5: Solve for x
    x = 151,399,254.24/14,079.72
  6. Step 6: Final answer
    x = 10,753.00

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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.