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Finding the Fourth Proportional to 44,777.31, 61,772.02 and 28,866.88

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Solution

The fourth proportional to 44,777.31, 61,772.02 and 28,866.88 is: 39,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,777.31 : 61,772.02 = 28,866.88 : x
  2. Step 2: Convert to fraction form
    44,777.31/61,772.02 = 28,866.88/x
  3. Step 3: Cross multiply
    44,777.31x = 61,772.02 × 28,866.88
  4. Step 4: Simplify right side
    44,777.31x = 1,783,165,344.36
  5. Step 5: Solve for x
    x = 1,783,165,344.36/44,777.31
  6. Step 6: Final answer
    x = 39,822.97

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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.