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Finding the Fourth Proportional to 9,903.90, 14,855.12 and 3,661.01

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Solution

The fourth proportional to 9,903.90, 14,855.12 and 3,661.01 is: 5,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.90 : 14,855.12 = 3,661.01 : x
  2. Step 2: Convert to fraction form
    9,903.90/14,855.12 = 3,661.01/x
  3. Step 3: Cross multiply
    9,903.90x = 14,855.12 × 3,661.01
  4. Step 4: Simplify right side
    9,903.90x = 54,384,677.75
  5. Step 5: Solve for x
    x = 54,384,677.75/9,903.90
  6. Step 6: Final answer
    x = 5,491.24

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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.