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Finding the Fourth Proportional to 29,312.80, 43,940.40 and 26,202.40

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Solution

The fourth proportional to 29,312.80, 43,940.40 and 26,202.40 is: 39,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.80 : 43,940.40 = 26,202.40 : x
  2. Step 2: Convert to fraction form
    29,312.80/43,940.40 = 26,202.40/x
  3. Step 3: Cross multiply
    29,312.80x = 43,940.40 × 26,202.40
  4. Step 4: Simplify right side
    29,312.80x = 1,151,343,936.96
  5. Step 5: Solve for x
    x = 1,151,343,936.96/29,312.80
  6. Step 6: Final answer
    x = 39,277.86

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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.