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Finding the Fourth Proportional to 40,551.67, 60,830.70 and 14,262.31

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Solution

The fourth proportional to 40,551.67, 60,830.70 and 14,262.31 is: 21,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,551.67 : 60,830.70 = 14,262.31 : x
  2. Step 2: Convert to fraction form
    40,551.67/60,830.70 = 14,262.31/x
  3. Step 3: Cross multiply
    40,551.67x = 60,830.70 × 14,262.31
  4. Step 4: Simplify right side
    40,551.67x = 867,586,300.92
  5. Step 5: Solve for x
    x = 867,586,300.92/40,551.67
  6. Step 6: Final answer
    x = 21,394.59

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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.