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Finding the Fourth Proportional to 8,665.08, 13,003.08 and 4,974.51

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Solution

The fourth proportional to 8,665.08, 13,003.08 and 4,974.51 is: 7,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.08 : 13,003.08 = 4,974.51 : x
  2. Step 2: Convert to fraction form
    8,665.08/13,003.08 = 4,974.51/x
  3. Step 3: Cross multiply
    8,665.08x = 13,003.08 × 4,974.51
  4. Step 4: Simplify right side
    8,665.08x = 64,683,951.49
  5. Step 5: Solve for x
    x = 64,683,951.49/8,665.08
  6. Step 6: Final answer
    x = 7,464.90

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Why These Related Problems?

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