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Finding the Fourth Proportional to 37,228.80, 55,845.90 and 22,405.80

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Solution

The fourth proportional to 37,228.80, 55,845.90 and 22,405.80 is: 33,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,228.80 : 55,845.90 = 22,405.80 : x
  2. Step 2: Convert to fraction form
    37,228.80/55,845.90 = 22,405.80/x
  3. Step 3: Cross multiply
    37,228.80x = 55,845.90 × 22,405.80
  4. Step 4: Simplify right side
    37,228.80x = 1,251,272,066.22
  5. Step 5: Solve for x
    x = 1,251,272,066.22/37,228.80
  6. Step 6: Final answer
    x = 33,610.32

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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.