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Finding the Fourth Proportional to 47,233.44, 70,866.54 and 20,956.59

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Solution

The fourth proportional to 47,233.44, 70,866.54 and 20,956.59 is: 31,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,233.44 : 70,866.54 = 20,956.59 : x
  2. Step 2: Convert to fraction form
    47,233.44/70,866.54 = 20,956.59/x
  3. Step 3: Cross multiply
    47,233.44x = 70,866.54 × 20,956.59
  4. Step 4: Simplify right side
    47,233.44x = 1,485,121,023.50
  5. Step 5: Solve for x
    x = 1,485,121,023.50/47,233.44
  6. Step 6: Final answer
    x = 31,442.15

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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.