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Finding the Fourth Proportional to 35,274.60, 52,932.56 and 13,103.32

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Solution

The fourth proportional to 35,274.60, 52,932.56 and 13,103.32 is: 19,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.60 : 52,932.56 = 13,103.32 : x
  2. Step 2: Convert to fraction form
    35,274.60/52,932.56 = 13,103.32/x
  3. Step 3: Cross multiply
    35,274.60x = 52,932.56 × 13,103.32
  4. Step 4: Simplify right side
    35,274.60x = 693,592,272.10
  5. Step 5: Solve for x
    x = 693,592,272.10/35,274.60
  6. Step 6: Final answer
    x = 19,662.65

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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.