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Finding the Fourth Proportional to 60,650.71, 91,040.76 and 53,675.09

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Solution

The fourth proportional to 60,650.71, 91,040.76 and 53,675.09 is: 80,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,650.71 : 91,040.76 = 53,675.09 : x
  2. Step 2: Convert to fraction form
    60,650.71/91,040.76 = 53,675.09/x
  3. Step 3: Cross multiply
    60,650.71x = 91,040.76 × 53,675.09
  4. Step 4: Simplify right side
    60,650.71x = 4,886,620,872.87
  5. Step 5: Solve for x
    x = 4,886,620,872.87/60,650.71
  6. Step 6: Final answer
    x = 80,569.89

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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.