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Finding the Fourth Proportional to 55,504.84, 76,596.78 and 30,354.52

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Solution

The fourth proportional to 55,504.84, 76,596.78 and 30,354.52 is: 41,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,504.84 : 76,596.78 = 30,354.52 : x
  2. Step 2: Convert to fraction form
    55,504.84/76,596.78 = 30,354.52/x
  3. Step 3: Cross multiply
    55,504.84x = 76,596.78 × 30,354.52
  4. Step 4: Simplify right side
    55,504.84x = 2,325,058,490.45
  5. Step 5: Solve for x
    x = 2,325,058,490.45/55,504.84
  6. Step 6: Final answer
    x = 41,889.29

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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.