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Finding the Fourth Proportional to 54,871.44, 82,307.88 and 36,270.96

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Solution

The fourth proportional to 54,871.44, 82,307.88 and 36,270.96 is: 54,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.44 : 82,307.88 = 36,270.96 : x
  2. Step 2: Convert to fraction form
    54,871.44/82,307.88 = 36,270.96/x
  3. Step 3: Cross multiply
    54,871.44x = 82,307.88 × 36,270.96
  4. Step 4: Simplify right side
    54,871.44x = 2,985,385,823.16
  5. Step 5: Solve for x
    x = 2,985,385,823.16/54,871.44
  6. Step 6: Final answer
    x = 54,406.92

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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.