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Finding the Fourth Proportional to 8,330.66, 12,500.06 and 3,650.03

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Solution

The fourth proportional to 8,330.66, 12,500.06 and 3,650.03 is: 5,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.66 : 12,500.06 = 3,650.03 : x
  2. Step 2: Convert to fraction form
    8,330.66/12,500.06 = 3,650.03/x
  3. Step 3: Cross multiply
    8,330.66x = 12,500.06 × 3,650.03
  4. Step 4: Simplify right side
    8,330.66x = 45,625,513.25
  5. Step 5: Solve for x
    x = 45,625,513.25/8,330.66
  6. Step 6: Final answer
    x = 5,476.82

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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.