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Finding the Fourth Proportional to 35,317.80, 48,736.73 and 19,399.20

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Solution

The fourth proportional to 35,317.80, 48,736.73 and 19,399.20 is: 26,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,317.80 : 48,736.73 = 19,399.20 : x
  2. Step 2: Convert to fraction form
    35,317.80/48,736.73 = 19,399.20/x
  3. Step 3: Cross multiply
    35,317.80x = 48,736.73 × 19,399.20
  4. Step 4: Simplify right side
    35,317.80x = 945,453,475.62
  5. Step 5: Solve for x
    x = 945,453,475.62/35,317.80
  6. Step 6: Final answer
    x = 26,769.89

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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.