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Finding the Fourth Proportional to 72,626.34, 108,915.02 and 27,637.02

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Solution

The fourth proportional to 72,626.34, 108,915.02 and 27,637.02 is: 41,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.34 : 108,915.02 = 27,637.02 : x
  2. Step 2: Convert to fraction form
    72,626.34/108,915.02 = 27,637.02/x
  3. Step 3: Cross multiply
    72,626.34x = 108,915.02 × 27,637.02
  4. Step 4: Simplify right side
    72,626.34x = 3,010,086,551.49
  5. Step 5: Solve for x
    x = 3,010,086,551.49/72,626.34
  6. Step 6: Final answer
    x = 41,446.21

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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.