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Finding the Fourth Proportional to 35,310.88, 52,972.72 and 28,794.72

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Solution

The fourth proportional to 35,310.88, 52,972.72 and 28,794.72 is: 43,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.88 : 52,972.72 = 28,794.72 : x
  2. Step 2: Convert to fraction form
    35,310.88/52,972.72 = 28,794.72/x
  3. Step 3: Cross multiply
    35,310.88x = 52,972.72 × 28,794.72
  4. Step 4: Simplify right side
    35,310.88x = 1,525,334,640.04
  5. Step 5: Solve for x
    x = 1,525,334,640.04/35,310.88
  6. Step 6: Final answer
    x = 43,197.30

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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.