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Finding the Fourth Proportional to 47,322, 70,995 and 17,739.92

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Solution

The fourth proportional to 47,322, 70,995 and 17,739.92 is: 26,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322 : 70,995 = 17,739.92 : x
  2. Step 2: Convert to fraction form
    47,322/70,995 = 17,739.92/x
  3. Step 3: Cross multiply
    47,322x = 70,995 × 17,739.92
  4. Step 4: Simplify right side
    47,322x = 1,259,445,620.40
  5. Step 5: Solve for x
    x = 1,259,445,620.40/47,322
  6. Step 6: Final answer
    x = 26,614.38

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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.