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Finding the Fourth Proportional to 29,264.80, 43,940.40 and 22,698.40

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Solution

The fourth proportional to 29,264.80, 43,940.40 and 22,698.40 is: 34,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.80 : 43,940.40 = 22,698.40 : x
  2. Step 2: Convert to fraction form
    29,264.80/43,940.40 = 22,698.40/x
  3. Step 3: Cross multiply
    29,264.80x = 43,940.40 × 22,698.40
  4. Step 4: Simplify right side
    29,264.80x = 997,376,775.36
  5. Step 5: Solve for x
    x = 997,376,775.36/29,264.80
  6. Step 6: Final answer
    x = 34,081.11

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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.