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Finding the Fourth Proportional to 28,811.48, 43,240.98 and 22,277.48

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Solution

The fourth proportional to 28,811.48, 43,240.98 and 22,277.48 is: 33,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811.48 : 43,240.98 = 22,277.48 : x
  2. Step 2: Convert to fraction form
    28,811.48/43,240.98 = 22,277.48/x
  3. Step 3: Cross multiply
    28,811.48x = 43,240.98 × 22,277.48
  4. Step 4: Simplify right side
    28,811.48x = 963,300,067.13
  5. Step 5: Solve for x
    x = 963,300,067.13/28,811.48
  6. Step 6: Final answer
    x = 33,434.59

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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.