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Finding the Fourth Proportional to 9,345.97, 14,019.01 and 2,772.21

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Solution

The fourth proportional to 9,345.97, 14,019.01 and 2,772.21 is: 4,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.97 : 14,019.01 = 2,772.21 : x
  2. Step 2: Convert to fraction form
    9,345.97/14,019.01 = 2,772.21/x
  3. Step 3: Cross multiply
    9,345.97x = 14,019.01 × 2,772.21
  4. Step 4: Simplify right side
    9,345.97x = 38,863,639.71
  5. Step 5: Solve for x
    x = 38,863,639.71/9,345.97
  6. Step 6: Final answer
    x = 4,158.33

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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.