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Finding the Fourth Proportional to 35,591.64, 53,393.88 and 11,896.86

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Solution

The fourth proportional to 35,591.64, 53,393.88 and 11,896.86 is: 17,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.64 : 53,393.88 = 11,896.86 : x
  2. Step 2: Convert to fraction form
    35,591.64/53,393.88 = 11,896.86/x
  3. Step 3: Cross multiply
    35,591.64x = 53,393.88 × 11,896.86
  4. Step 4: Simplify right side
    35,591.64x = 635,219,515.22
  5. Step 5: Solve for x
    x = 635,219,515.22/35,591.64
  6. Step 6: Final answer
    x = 17,847.44

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1.5x scale

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.