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Finding the Fourth Proportional to 14,298.56, 19,731.47 and 7,924.99

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Solution

The fourth proportional to 14,298.56, 19,731.47 and 7,924.99 is: 10,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.56 : 19,731.47 = 7,924.99 : x
  2. Step 2: Convert to fraction form
    14,298.56/19,731.47 = 7,924.99/x
  3. Step 3: Cross multiply
    14,298.56x = 19,731.47 × 7,924.99
  4. Step 4: Simplify right side
    14,298.56x = 156,371,702.44
  5. Step 5: Solve for x
    x = 156,371,702.44/14,298.56
  6. Step 6: Final answer
    x = 10,936.19

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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.