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Finding the Fourth Proportional to 35,969.32, 53,961.42 and 11,007.88

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Solution

The fourth proportional to 35,969.32, 53,961.42 and 11,007.88 is: 16,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,969.32 : 53,961.42 = 11,007.88 : x
  2. Step 2: Convert to fraction form
    35,969.32/53,961.42 = 11,007.88/x
  3. Step 3: Cross multiply
    35,969.32x = 53,961.42 × 11,007.88
  4. Step 4: Simplify right side
    35,969.32x = 594,000,835.99
  5. Step 5: Solve for x
    x = 594,000,835.99/35,969.32
  6. Step 6: Final answer
    x = 16,514.10

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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.