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Finding the Fourth Proportional to 40,375.50, 60,572.97 and 12,673.50

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Solution

The fourth proportional to 40,375.50, 60,572.97 and 12,673.50 is: 19,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.50 : 60,572.97 = 12,673.50 : x
  2. Step 2: Convert to fraction form
    40,375.50/60,572.97 = 12,673.50/x
  3. Step 3: Cross multiply
    40,375.50x = 60,572.97 × 12,673.50
  4. Step 4: Simplify right side
    40,375.50x = 767,671,535.30
  5. Step 5: Solve for x
    x = 767,671,535.30/40,375.50
  6. Step 6: Final answer
    x = 19,013.30

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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.