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Finding the Fourth Proportional to 47,894.21, 71,850.03 and 19,799.01

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Solution

The fourth proportional to 47,894.21, 71,850.03 and 19,799.01 is: 29,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894.21 : 71,850.03 = 19,799.01 : x
  2. Step 2: Convert to fraction form
    47,894.21/71,850.03 = 19,799.01/x
  3. Step 3: Cross multiply
    47,894.21x = 71,850.03 × 19,799.01
  4. Step 4: Simplify right side
    47,894.21x = 1,422,559,462.47
  5. Step 5: Solve for x
    x = 1,422,559,462.47/47,894.21
  6. Step 6: Final answer
    x = 29,702.12

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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.