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Finding the Fourth Proportional to 29,097.20, 43,710.60 and 27,916.40

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Solution

The fourth proportional to 29,097.20, 43,710.60 and 27,916.40 is: 41,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,097.20 : 43,710.60 = 27,916.40 : x
  2. Step 2: Convert to fraction form
    29,097.20/43,710.60 = 27,916.40/x
  3. Step 3: Cross multiply
    29,097.20x = 43,710.60 × 27,916.40
  4. Step 4: Simplify right side
    29,097.20x = 1,220,242,593.84
  5. Step 5: Solve for x
    x = 1,220,242,593.84/29,097.20
  6. Step 6: Final answer
    x = 41,936.77

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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.