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Finding the Fourth Proportional to 47,429.88, 70,990.38 and 34,944.90

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Solution

The fourth proportional to 47,429.88, 70,990.38 and 34,944.90 is: 52,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.88 : 70,990.38 = 34,944.90 : x
  2. Step 2: Convert to fraction form
    47,429.88/70,990.38 = 34,944.90/x
  3. Step 3: Cross multiply
    47,429.88x = 70,990.38 × 34,944.90
  4. Step 4: Simplify right side
    47,429.88x = 2,480,751,730.06
  5. Step 5: Solve for x
    x = 2,480,751,730.06/47,429.88
  6. Step 6: Final answer
    x = 52,303.56

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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.