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Finding the Fourth Proportional to 44,921.07, 61,978.64 and 29,006.19

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Solution

The fourth proportional to 44,921.07, 61,978.64 and 29,006.19 is: 40,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,921.07 : 61,978.64 = 29,006.19 : x
  2. Step 2: Convert to fraction form
    44,921.07/61,978.64 = 29,006.19/x
  3. Step 3: Cross multiply
    44,921.07x = 61,978.64 × 29,006.19
  4. Step 4: Simplify right side
    44,921.07x = 1,797,764,062.75
  5. Step 5: Solve for x
    x = 1,797,764,062.75/44,921.07
  6. Step 6: Final answer
    x = 40,020.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.