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Finding the Fourth Proportional to 29,239, 43,858.50 and 7,351

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Solution

The fourth proportional to 29,239, 43,858.50 and 7,351 is: 11,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239 : 43,858.50 = 7,351 : x
  2. Step 2: Convert to fraction form
    29,239/43,858.50 = 7,351/x
  3. Step 3: Cross multiply
    29,239x = 43,858.50 × 7,351
  4. Step 4: Simplify right side
    29,239x = 322,403,833.50
  5. Step 5: Solve for x
    x = 322,403,833.50/29,239
  6. Step 6: Final answer
    x = 11,026.50

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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.