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Finding the Fourth Proportional to 28,893.20, 43,339.80 and 22,332.20

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Solution

The fourth proportional to 28,893.20, 43,339.80 and 22,332.20 is: 33,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.20 : 43,339.80 = 22,332.20 : x
  2. Step 2: Convert to fraction form
    28,893.20/43,339.80 = 22,332.20/x
  3. Step 3: Cross multiply
    28,893.20x = 43,339.80 × 22,332.20
  4. Step 4: Simplify right side
    28,893.20x = 967,873,081.56
  5. Step 5: Solve for x
    x = 967,873,081.56/28,893.20
  6. Step 6: Final answer
    x = 33,498.30

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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.