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Finding the Fourth Proportional to 19,365.12, 29,044.56 and 5,510.88

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Solution

The fourth proportional to 19,365.12, 29,044.56 and 5,510.88 is: 8,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.12 : 29,044.56 = 5,510.88 : x
  2. Step 2: Convert to fraction form
    19,365.12/29,044.56 = 5,510.88/x
  3. Step 3: Cross multiply
    19,365.12x = 29,044.56 × 5,510.88
  4. Step 4: Simplify right side
    19,365.12x = 160,061,084.81
  5. Step 5: Solve for x
    x = 160,061,084.81/19,365.12
  6. Step 6: Final answer
    x = 8,265.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.