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Finding the Fourth Proportional to 29,952.64, 44,940.60 and 12,418

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Solution

The fourth proportional to 29,952.64, 44,940.60 and 12,418 is: 18,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,952.64 : 44,940.60 = 12,418 : x
  2. Step 2: Convert to fraction form
    29,952.64/44,940.60 = 12,418/x
  3. Step 3: Cross multiply
    29,952.64x = 44,940.60 × 12,418
  4. Step 4: Simplify right side
    29,952.64x = 558,072,370.80
  5. Step 5: Solve for x
    x = 558,072,370.80/29,952.64
  6. Step 6: Final answer
    x = 18,631.83

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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.