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Finding the Fourth Proportional to 59,674.25, 89,493.08 and 19,685.86

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Solution

The fourth proportional to 59,674.25, 89,493.08 and 19,685.86 is: 29,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,674.25 : 89,493.08 = 19,685.86 : x
  2. Step 2: Convert to fraction form
    59,674.25/89,493.08 = 19,685.86/x
  3. Step 3: Cross multiply
    59,674.25x = 89,493.08 × 19,685.86
  4. Step 4: Simplify right side
    59,674.25x = 1,761,747,921.69
  5. Step 5: Solve for x
    x = 1,761,747,921.69/59,674.25
  6. Step 6: Final answer
    x = 29,522.75

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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.