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Finding the Fourth Proportional to 28,649.60, 43,006.80 and 22,104.80

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Solution

The fourth proportional to 28,649.60, 43,006.80 and 22,104.80 is: 33,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,649.60 : 43,006.80 = 22,104.80 : x
  2. Step 2: Convert to fraction form
    28,649.60/43,006.80 = 22,104.80/x
  3. Step 3: Cross multiply
    28,649.60x = 43,006.80 × 22,104.80
  4. Step 4: Simplify right side
    28,649.60x = 950,656,712.64
  5. Step 5: Solve for x
    x = 950,656,712.64/28,649.60
  6. Step 6: Final answer
    x = 33,182.20

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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.