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Finding the Fourth Proportional to 59,866.88, 89,801.16 and 28,694.84

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Solution

The fourth proportional to 59,866.88, 89,801.16 and 28,694.84 is: 43,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,866.88 : 89,801.16 = 28,694.84 : x
  2. Step 2: Convert to fraction form
    59,866.88/89,801.16 = 28,694.84/x
  3. Step 3: Cross multiply
    59,866.88x = 89,801.16 × 28,694.84
  4. Step 4: Simplify right side
    59,866.88x = 2,576,829,918.01
  5. Step 5: Solve for x
    x = 2,576,829,918.01/59,866.88
  6. Step 6: Final answer
    x = 43,042.66

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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.