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Finding the Fourth Proportional to 47,996.48, 66,190.48 and 31,835.36

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Solution

The fourth proportional to 47,996.48, 66,190.48 and 31,835.36 is: 43,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.48 : 66,190.48 = 31,835.36 : x
  2. Step 2: Convert to fraction form
    47,996.48/66,190.48 = 31,835.36/x
  3. Step 3: Cross multiply
    47,996.48x = 66,190.48 × 31,835.36
  4. Step 4: Simplify right side
    47,996.48x = 2,107,197,759.37
  5. Step 5: Solve for x
    x = 2,107,197,759.37/47,996.48
  6. Step 6: Final answer
    x = 43,903.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.