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Finding the Fourth Proportional to 14,202.68, 19,599.72 and 7,914.92

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Solution

The fourth proportional to 14,202.68, 19,599.72 and 7,914.92 is: 10,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.68 : 19,599.72 = 7,914.92 : x
  2. Step 2: Convert to fraction form
    14,202.68/19,599.72 = 7,914.92/x
  3. Step 3: Cross multiply
    14,202.68x = 19,599.72 × 7,914.92
  4. Step 4: Simplify right side
    14,202.68x = 155,130,215.82
  5. Step 5: Solve for x
    x = 155,130,215.82/14,202.68
  6. Step 6: Final answer
    x = 10,922.60

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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.