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Finding the Fourth Proportional to 23,915.25, 35,867.39 and 7,043.90

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Solution

The fourth proportional to 23,915.25, 35,867.39 and 7,043.90 is: 10,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,915.25 : 35,867.39 = 7,043.90 : x
  2. Step 2: Convert to fraction form
    23,915.25/35,867.39 = 7,043.90/x
  3. Step 3: Cross multiply
    23,915.25x = 35,867.39 × 7,043.90
  4. Step 4: Simplify right side
    23,915.25x = 252,646,129.08
  5. Step 5: Solve for x
    x = 252,646,129.08/23,915.25
  6. Step 6: Final answer
    x = 10,564.23

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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.