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Finding the Fourth Proportional to 8,331.02, 12,499.99 and 3,648.62

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Solution

The fourth proportional to 8,331.02, 12,499.99 and 3,648.62 is: 5,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.02 : 12,499.99 = 3,648.62 : x
  2. Step 2: Convert to fraction form
    8,331.02/12,499.99 = 3,648.62/x
  3. Step 3: Cross multiply
    8,331.02x = 12,499.99 × 3,648.62
  4. Step 4: Simplify right side
    8,331.02x = 45,607,713.51
  5. Step 5: Solve for x
    x = 45,607,713.51/8,331.02
  6. Step 6: Final answer
    x = 5,474.45

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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.