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Finding the Fourth Proportional to 30,449.72, 45,669.18 and 8,264.82

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Solution

The fourth proportional to 30,449.72, 45,669.18 and 8,264.82 is: 12,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.72 : 45,669.18 = 8,264.82 : x
  2. Step 2: Convert to fraction form
    30,449.72/45,669.18 = 8,264.82/x
  3. Step 3: Cross multiply
    30,449.72x = 45,669.18 × 8,264.82
  4. Step 4: Simplify right side
    30,449.72x = 377,447,583.24
  5. Step 5: Solve for x
    x = 377,447,583.24/30,449.72
  6. Step 6: Final answer
    x = 12,395.77

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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.