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Finding the Fourth Proportional to 47,199.88, 70,799.81 and 19,498.60

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Solution

The fourth proportional to 47,199.88, 70,799.81 and 19,498.60 is: 29,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.88 : 70,799.81 = 19,498.60 : x
  2. Step 2: Convert to fraction form
    47,199.88/70,799.81 = 19,498.60/x
  3. Step 3: Cross multiply
    47,199.88x = 70,799.81 × 19,498.60
  4. Step 4: Simplify right side
    47,199.88x = 1,380,497,175.27
  5. Step 5: Solve for x
    x = 1,380,497,175.27/47,199.88
  6. Step 6: Final answer
    x = 29,247.90

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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.