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Finding the Fourth Proportional to 22,495.80, 33,739.22 and 7,703.48

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Solution

The fourth proportional to 22,495.80, 33,739.22 and 7,703.48 is: 11,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.80 : 33,739.22 = 7,703.48 : x
  2. Step 2: Convert to fraction form
    22,495.80/33,739.22 = 7,703.48/x
  3. Step 3: Cross multiply
    22,495.80x = 33,739.22 × 7,703.48
  4. Step 4: Simplify right side
    22,495.80x = 259,909,406.49
  5. Step 5: Solve for x
    x = 259,909,406.49/22,495.80
  6. Step 6: Final answer
    x = 11,553.69

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1.5x scale

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.