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Finding the Fourth Proportional to 25,157.30, 37,736.04 and 7,627.28

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Solution

The fourth proportional to 25,157.30, 37,736.04 and 7,627.28 is: 11,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.30 : 37,736.04 = 7,627.28 : x
  2. Step 2: Convert to fraction form
    25,157.30/37,736.04 = 7,627.28/x
  3. Step 3: Cross multiply
    25,157.30x = 37,736.04 × 7,627.28
  4. Step 4: Simplify right side
    25,157.30x = 287,823,343.17
  5. Step 5: Solve for x
    x = 287,823,343.17/25,157.30
  6. Step 6: Final answer
    x = 11,440.95

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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.