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Finding the Fourth Proportional to 59,787.75, 89,694.27 and 19,804.47

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Solution

The fourth proportional to 59,787.75, 89,694.27 and 19,804.47 is: 29,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,787.75 : 89,694.27 = 19,804.47 : x
  2. Step 2: Convert to fraction form
    59,787.75/89,694.27 = 19,804.47/x
  3. Step 3: Cross multiply
    59,787.75x = 89,694.27 × 19,804.47
  4. Step 4: Simplify right side
    59,787.75x = 1,776,347,479.39
  5. Step 5: Solve for x
    x = 1,776,347,479.39/59,787.75
  6. Step 6: Final answer
    x = 29,710.89

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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.