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Finding the Fourth Proportional to 9,783.45, 14,676.08 and 3,545.03

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Solution

The fourth proportional to 9,783.45, 14,676.08 and 3,545.03 is: 5,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.45 : 14,676.08 = 3,545.03 : x
  2. Step 2: Convert to fraction form
    9,783.45/14,676.08 = 3,545.03/x
  3. Step 3: Cross multiply
    9,783.45x = 14,676.08 × 3,545.03
  4. Step 4: Simplify right side
    9,783.45x = 52,027,052.78
  5. Step 5: Solve for x
    x = 52,027,052.78/9,783.45
  6. Step 6: Final answer
    x = 5,317.86

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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.