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Finding the Fourth Proportional to 38,587, 57,880.44 and 25,343.61

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Solution

The fourth proportional to 38,587, 57,880.44 and 25,343.61 is: 38,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587 : 57,880.44 = 25,343.61 : x
  2. Step 2: Convert to fraction form
    38,587/57,880.44 = 25,343.61/x
  3. Step 3: Cross multiply
    38,587x = 57,880.44 × 25,343.61
  4. Step 4: Simplify right side
    38,587x = 1,466,899,297.99
  5. Step 5: Solve for x
    x = 1,466,899,297.99/38,587
  6. Step 6: Final answer
    x = 38,015.38

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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.