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Finding the Fourth Proportional to 57,366.90, 86,026.05 and 27,793.80

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Solution

The fourth proportional to 57,366.90, 86,026.05 and 27,793.80 is: 41,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.90 : 86,026.05 = 27,793.80 : x
  2. Step 2: Convert to fraction form
    57,366.90/86,026.05 = 27,793.80/x
  3. Step 3: Cross multiply
    57,366.90x = 86,026.05 × 27,793.80
  4. Step 4: Simplify right side
    57,366.90x = 2,390,990,828.49
  5. Step 5: Solve for x
    x = 2,390,990,828.49/57,366.90
  6. Step 6: Final answer
    x = 41,678.93

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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.